CBSE XI Science Mathematics Conic Sections

Circle

CBSE IX Mathematics Circles

Three girls Reshma, Salma and Mandip are playing a game standing on a circle of radius 5m drawn in a park. Reshma throws a ball to Salma, Salma to Mandip, Mandip to Reshma. If distance between Reshma and Salma and between Salma and Mandip is 6m each, what is the distance between Reshma and Mandip?

Tamil Nadu VII Mathematics Fractions and Decimals

find the area of the circle whose radius are given below = 4.5,5.6

CBSE X Mathematics Areas Related to Circles

two circles touch internally.the sum of their areas is 116cm and the distance between their centers is 6cm.find the radii of the circles.

 

ICSE VI Mathematics Circle

Construct a line segment AB of length 5cm 

Construct a circle with diameter 5cm With centre B

CBSE IX Mathematics Circles

In the given figure if ABCD is a rhombus diagonals AC and BD intersect at o   and he is a point lying on the circle with Centre o then the sum of the measures of angle BAE and angle EDC is?? 

JEE Plances JEE (Main) Mathematics Straight Line

a circle Xsquare+Ysquare=25  find the locus of point P if it divides point A and point P in 2:3 raio Q lies on circle coordinate of A is (2,1)

CBSE IX Mathematics Circles

Please solve question no 6 with proper explanation 

CBSE IX Mathematics Circles

Please solve question no 7 with proper explanation 

CBSE IX Mathematics Circles

Please solve question no 8 with proper explanation 

ICSE IX Mathematics Circles

the shape of the top of a table in a restaurant is that of a segment of a circle with the centre O and angle BOD = 90 , BO = OD = 60cm

find: i perimeter of the table

CBSE IX Mathematics Circles

Please solve question no 7 with proper explanation 

CBSE IX Mathematics Circles

Please solve question no 8 with proper explanation 

CBSE IX Mathematics Circles

Please solve question no 11 with proper explanation 

CBSE XI Science Mathematics Trigonometric Functions

The question is attached. Please send the step by step and complete solution of the above problem.

CBSE XII Science Mathematics Applications of Integrals

Using integration find the area of triangle formed by -ve x axis,the tanget and normal to the circle x

^2+y^2=9 at the point (-1,2* 2^1/2)

CBSE XI Science Mathematics Trigonometric Functions

I the question the chords are supposed to be parallel. But in the solution part you have not considered the chords as parallel as per the diagram. So please rejustify the solution considering the chords to be parallel to each other. Regards,

NEET1 NEET1 Mathematics

If AB=10 and AC =6 and altitude AE=4 .IF AD is the diameter of circum circle, then what is the length of circum radius? 

 

CBSE X Mathematics Areas Related to Circles

ABCD is a square of side a cm. AB, BC, CD and AD all are the chords of circles with equal radii each. If the chords subtends an angle of 120° at their respective centres, find the total area of the given figure where arcs are part of the circles:{http://silverzone.org/Syl_Sam_Papers_17-18/M/10.pdf --q no 8}

(A) 2 2 2 πa a a + 4 – 9 3 2             (B) 2 2 2 πa a a + 4 – 9 4 3             (C) 2 2   9a – 4π + 3 3a   (D) 2 2   9a + 4π – 3 3a    

 

This is a olympaid question so solve wisely but explain with steps

CBSE XI Science Mathematics Conic Sections

Solve:

 

ICSE X Mathematics Loci

plz solve

ICSE X Mathematics Circle: Arc and Cyclic Properties

plz solve

CBSE X Mathematics Areas Related to Circles

find total number of revolution of circleA?(Answer is not 3)

ICSE X Mathematics Circle: Tangents and Intersecting Chords

solve the sum

ICSE X Mathematics Circle: Tangents and Intersecting Chords

If a chord of length 8 cm is at a distance of 3 cm from the centre of circle what is the radius of circle

ICSE X Mathematics Circle: Arc and Cyclic Properties

plz solve

CBSE XI Science Mathematics

Answer please

ICSE X Mathematics

Find  Angle ADC angleCAD angle ACD

ICSE IX Mathematics Circle

Two parallel chords AB and CD are 3.9cm apart and lie on the opposite sides of the centre of a circle. If AB = 1.4cm and CD = 4cm, find the radius.

ICSE IX Mathematics Mensuration I

the areas of two circles are in a ratio 4:9 find the ratio between their circumference

ICSE IX Mathematics

the ara of a circle is 301.84cm square find its circumfrence 

ICSE IX Mathematics Circle

If a diameter of  a circle bisects each of the two chords of a circle, then prove that the chords are equal.

ICSE IX Mathematics Circle

If two chords of a circle are equally inclined to the diameter through their point of intersection, prove the chords are equal.

CBSE IX Mathematics Circles

Prove that the circle drawn on any equal side of an isosceles triangle as an diameter bisects the third side .

CBSE IX Mathematics

Find x,y and z in the following:

CBSE XI Commerce Mathematics

Find the equation of the circle which touches the circle x^2 +y^2-6x+6y+17=0 externally and to which the lines x^2-3xy-3x+9y=0 are normals. 

ICSE IX Mathematics Circle

In the given figure, arc AC and arc BD are two equal arcs of a circle. Prove that chord AB and chord CD are parallel.

ICSE IX Mathematics Circle

In the given figure, P is the midpoint of arc APB and M is the midpoint of chord AB of a circle with centre O. Prove that: (i) PM⊥AB (ii) PM  produced  will pass through the centre O (iii) PM produced will bisect the major arc AB

ICSE IX Mathematics Circle

in the given figure ABCDE id a pentagon inscribed in a circle. If AB=BC=CD, angle BCD= 110 and angle BAE= 120 find (i) angle ABC (ii) angle CDE (iii) angle AED (iv) angle EAD

CBSE XI Science Mathematics

 centre (a,a) and radius root over 2 . find eqn of circle

CBSE XI Science Mathematics

Find eqn of circle whose centre is (2,-3) and which passes through the intersection of lines 3x + 2y = 11, 2x + 3y = 4

ICSE IX Mathematics Circle

In the given figure,O is the centre of the circle, angle AOB = 30 and angle OCB= 40 calculate angle AOC

CBSE IX Mathematics

Prove that among all the chords of a circle passing through a given point inside the circle that one is the smallest which is perpendicular to the diameter passing through the point.

CBSE X Mathematics

If ABC is an equilateral triangle inscribed in a circle and P be any point on the minor arc BC which does not coincide with B or C, prove that PA is angle bisector of ∠BPC.

CBSE X Mathematics

If pt is 6cm and pa is 3 cm then find radius of the circle  

ICSE IX Mathematics Circle

Class 9 project on circle cm graph  

ICSE IX Mathematics

Answer this question 

CBSE X Mathematics

Points p, b, Q are points of contacts of the respective tangents.

ICSE X Mathematics

Two circles of radii 5cm and 3cm are concentric. Calculate the length of a chord of outter circle which touches the inner.

CBSE X Mathematics Areas Related to Circles

circular park of radius 20m is situated in a colony. Three boys Ankur, Syed and David re sitting at equal distance on its boundary each having a toy telephone in their hand to talk each other. Find the length of the string of each phone  

CBSE X Mathematics

qn

ICSE X Mathematics

 C part

ICSE X Mathematics Mensuration : Circle

Q2 b part

ICSE IX Mathematics Mensuration : Circle

C part

ICSE X Mathematics

A part

CBSE VII Mathematics Perimeter and Area

the diameter of a wheel is 1.26m.how far will it go in 20 revolutions?

CBSE X Mathematics Areas Related to Circles

 Two circular pieces of equal radii and maximum area, touching each other are cut out from a rectangular card board of dimensions 14 cm 7 cm. Find the area of the remaining card board. Use pie=22/7

CBSE XI Science Mathematics Conic Sections

(1) A circle is concentric with the ellipse  (x^2)/(a^2) + (y^2)/(b^2) =1 and passed through the focus F1 and F2 of the ellipse.  Two curves intersect at four points. Let  P  be any point of intersection. If the major axis of the ellipse is  15  and the area of the triangle PF1F2  = 26 , then find the value of 4a^2  - 4b^2 .

CBSE X Mathematics Circles

Q27  

CBSE VI Mathematics

Can you draw a figure whose mirror image is identical to the figure itself?

CBSE X Mathematics

IF PQ AND PR ARE TANGENTS TO A CIRCLE WITH CENTER O SUCH THAT ANGLE QPR=50, FIND ANGLE OQR

CBSE X Mathematics

Please solve this question 

CBSE X Mathematics

Please solve this question 

CBSE X Mathematics

Please solve this question 

JEE Plances JEE (Main) Mathematics

Solve it.

JEE Plances JEE (Main) Mathematics

The equation of the chord of the circle x^2+y^2-3x-4y-4=0 ,which passes through the origin such that the origin divides into ratio 4:1,is....

CBSE XI Science Mathematics

Prove that the radio of the circles x^2 + y^2=1,x^2 + y^2 - 2x-6y-6=0 and x^2 + y^2-4x-12y-9=0 are in AP.

CBSE XI Science Mathematics

Find the equation of the circle passing through the point: (1,1), (0,-1) & (-2, 0). Plz show me the solution step by step..                                    ^^                                                                     ___

ICSE X Mathematics Section and Mid-Point Formula

In a triangle ABC, AB = 6, BC = 8 and AC = 10. A perpendicular from B meets the side AC at D. A circle is drawn with radius BD and centre B. If the circle cuts AB and BC respectively at P and Q, then AP : QC is equal to  

CBSE X Mathematics

 A circle touches the side BC of a ∆ABC at a point P and touches AB and AC when produced, at Q  & R respectively. Show that AQ=1/2 (perimeter of ∆ABC).

ICSE VII Mathematics

If the driving wheel of a bicycle makes 560 revolutions in 1.1km , what is it's radius?

ICSE IX Mathematics

Please solve the questions 15 ;16 and 17

CBSE XI Science Mathematics

Please answer this question.

CBSE XI Science Mathematics

Coordinates of midpoint of chord are?

CBSE XI Science Mathematics

Find the value of .

JEE Plances JEE (Main) Mathematics Complex Numbers

Sir Question no 22

CBSE XI Science Mathematics Complex Numbers and Quadratic Equations

12th sum

CBSE XI Commerce Mathematics

What is the radius of a circle?

CBSE VII Mathematics

A horse is tied to a pole with 21m long string. Find the area where the horse can graze

CBSE X Mathematics

Pls solve .

CBSE X Mathematics

Pls answer.   

CBSE VII Mathematics

A well with a brick parapet around it has a diameter 210 cm. If the length of the outer edge of the parapet is 880 cm, then find the width of the parapet

Maharashtra X Mathematics

Draw a circle of radius 3cm.Take a point P at a distance of 6.7cm from its centre.Draw tangents from P touching the circle at points A and B such that

Pls answer the question on Circles Thanks.

Maharashtra IX Mathematics

The ratio of radius to circumference of the circle

CBSE X Mathematics

Pls send full solution

ICSE X Mathematics Mensuration : Circle

The radius of a circle is 3m. What is the circumference of the another circle whose area is 49 times that of the first circle?

ICSE VIII Mathematics Perimeter and Area

A wire in the form of a square whose area is 121 sq. cm . The wire is bent into the form of a semicircle . Find the area of the circle

ICSE VIII Mathematics Perimeter and Area

A circular track has outside circumference of 484m . If the widtj of the track is 7m, what is inside circumference?  

Gujarat X Mathematics

Find the area of the minor segment whose chord subtenda angle of measure 120° are redius of the circle is 42 cm

CBSE X Mathematics Areas Related to Circles

in a circle with radius 42cm an arc subtends an angle of measure 120 at the center. find the length of this arc solve the following

Gujarat X Mathematics

in a circle with radius 42cm an arc subtends an angle of measure 120 at the center. find the length of this arc solve the following

CBSE VII Mathematics

Area of a circular garden is 160m2.a sprinkler at the centre of the garden can cover an area that has a radius of 7m. Will the sprinkler water the entire garden.how.?  

JEE Main Mathematics

For each natural number k,let Ck denotes the circle with radius k cm and centre at origin.on the circle Ck,a particle moves k cm in the counter clockwise direction.after completing it's motion on Ck, the particle moves onCk+1in the radial direction.the motion of the particle continues in this manner.the particle starts at (1,0).if the particle crosses the positive direction of the x-axis for the first time on the circle Cn,then n is equal to  

ICSE VI Mathematics Circle

What is circle?

ICSE VIII Mathematics Perimeter and Area

A cariage wheel makes 20,000 revolution in going over a distance of 15.7 cm find the radius of the wheel taking Pi equal to 3.14

CBSE X Mathematics

3 circles each of radius 1 cm, touch each other externally and they lie between two parallel lines. Find the minimum possible distance between the lines.

ICSE VIII Mathematics

 if the difference between the circumference and diameter of a circle is 30 cm then what is the radius of the circle

CBSE VII Mathematics Perimeter and Area

Circumference of two circles are respectively 88m and 220m. What is the difference between in areas between two circles 

CBSE IX Mathematics Circles

Find value of x if o is center

ICSE VII Mathematics Perimeter and Area

Find the area of the space enclosed by two concentric circles of radii 25cm and 17cm

ICSE IX Mathematics

Find the area and perimeter of a circle when it's radius 3.5cm diameter 14 cm

CBSE VII Mathematics Perimeter and Area

The diameter of a circular garden is 84 m. On its outside,there is around 3.5 m wide. Find the cost of constructing the road at Rs 20 per square meter.

ICSE VIII Mathematics Circumference and Area of Circle

Find the radius of a semicircle if it's area is 1232cm

ICSE VIII Mathematics

a chord length 16cm is at a distance of 6cm from the centre of circle . find the length of the chord of the same circle at the distance of 8cm from the centre 

JEE Main Mathematics

the equation of the circle which touches both the axis and whose centre is (x1 , y1) is  

ICSE VII Mathematics Mensuration

A platform 10m by 10m has been built around a well which has a diameter of 5.6m.Find the cost of cementing the platform at the rate of ₹25 per sq. M

CBSE X Mathematics Circles

Two circles intersect each other at A and B. One of them passes through the center O of the other. AT is a tangent at A to the circle which passes through O. Prove that AO bisects angleBAT.

ICSE X Mathematics Mensuration : Circle

Pls solve this The equal chords AB and CD of a circle with centre O,when produced,meet at P outside the circle.Prove that 1.PB=PD, 2.PA=PC.  

CBSE X Mathematics

Three equal circles are placed inside an equilateral triangle such that any circle is tangential to two sides of the equilateral triangle and to two other circles. What is the ratio of the areas of one circle to that of the triangle

CBSE X Mathematics Circles

Two circles touch each other externally at O. Prove that the common tangent at O bisects the other two common tangent segments PQ and RS.

CBSE X Mathematics Circles

Two circles intersect each other at A and B. Prove that the angle subtended by the common tangent PQ at A and B are supplementary

CBSE X Mathematics

Plz solve the question. 

ICSE X Mathematics Circle: Tangents and Intersecting Chords

The length of the direct common tangent to two circles of radii 12cm and 4cm is 15cm.Calculate the distance between their centres. 

ICSE X Mathematics Circle: Tangents and Intersecting Chords

Can anyone explain me alternate segment theorem by giving some examples? please.

CBSE X Mathematics Circles

Two circles with radii a and b touch each other externally. Let c be the radius of circle which touches this circles as well as the common tangent to the circles.Prove that 1/rootc=1/roota+1/rootb.

CBSE VIII Mathematics

Two wires each of length 44 cm are bent in a square and circle respectively Find the area of square and circle  

JEE Main Mathematics

Q) Prove that the tangent to the circle x^2+y^2=5 at the point (1,-2) also touches the circle x^2+y^2-8x+6y+20=0 and find its point of contact. 

CBSE IX Mathematics

O is the centre, measure of angle BCO is 30 degrees. find and y.

ICSE VIII Mathematics Surface Area and Volume of Solids

The circumference of a circle is 88 c.m. Find the each of following  a. Diameter b. Area/4

JEE Main Mathematics

Q.The number of points(b,c)lying on the circle x^2+(y-3)^2=8 such that the quadratic equation t^2+by+c=0 has real roots is 

Maharashtra VII Mathematics

r=? d=28cm c=?

CBSE VII Mathematics Perimeter and Area

the area of circular plot is 3850 sq.m. find the radius of the plot. find the cost of fencing the plot at  Rs 10 per metre.

CBSE X Mathematics Circles

please answer these questions

CBSE X Mathematics Circles

From any point on the common chord of two intersecting circles, tangents be drawn to thecircles, prove that they are equal. 

ICSE VII Physics Physical Quantities and Measurement

find the area of a circle of radius 7cm  

CBSE X Mathematics Areas Related to Circles

A triangle has side lengts 2,3,4. a tangent is drawn to the incircle parallel to side 2cm cutting the other two sides at M and N .Find the lenght MN.  

CBSE XI Science Mathematics Conic Sections

The locus of point for which sum of the squares of distances from cordinate axes is 25 is

ICSE X Mathematics Circle: Arc and Cyclic Properties

Question no..15 pls  

ICSE VIII Mathematics Area of Rectilinear Figures

Find the area of the shaded portion in the following figure. All measurements given are in centimeters. 

JEE Main Mathematics

Q) Find the equation of the circle passing through the points of contact of the direct common tangent of x^2+y^2=16 and x^2+y^2-12x+32=0.

CBSE IX Mathematics Circles

Prove that two different circles cannot intersect each other at more than two points.  

CBSE XI Science Mathematics Conic Sections

6

ICSE VI Mathematics Practical Geometry

Draw a circle with center O. Draw another circle whose boundary passes through O.

CBSE IX Mathematics Circles

Does a diameter of acircle divides it into two equal segments?  

CBSE X Mathematics Areas Related to Circles

Hello sir, please explain the questions that follow: 1) Find the width of the race track which is of a ring shape if the inner circumference is 528m and the outer circumference is 616m. 2) A wire is in the form of a square of side121cm.It is cut and made into the shape of a circle.Find the diameter of the circle. 3) a wire is in the form of a triangle of sides 28cm,26cm and 30cm.The wire is cut and made into a circle.Will the area of the circle be the same as that of the triangle? Thank You.  

CBSE X Mathematics Areas Related to Circles

Hello Sir, Please clarify my doubt 1) A wire is in the form of a square of side121cm.It is cut and made into the shape of a circle.Find the diameter of the circle. 2) a wire is in the form of a triangle of sides 28cm,26cm and 30cm.The wire is cut and made into a circle.Will the area of the circle be the same as that of the triangle? Thank You.

CBSE VII Mathematics Perimeter and Area

question no 14

CBSE X Mathematics Circles

If PA and PB are tangents to a circle with centre O and OP is equal to diameter of the circle, then prove that ABP is an equilateral triangle.

CBSE IX Mathematics Circles

Find angle x, y, r

CBSE VI Mathematics Basic Geometrical Ideas

What is Radius of a circle

CBSE XI Science Mathematics Conic Sections

Examine whether the point (4, 5) lies outside or inside the circle of equation x^2+y^2-2x-3=0

CBSE X Mathematics

Why do we use π for finding any circles value.......  Why can't we use any other values

CBSE X Mathematics Circles

 Two tangents are drawn from a point p to a circle of radius √3 . the angels between the tangent is 60° . find the length of a 2 tangent

CBSE X Mathematics Circles

All concentric circles are ___________ to each other. Fill in the blanks class 10 board question.

CBSE VII Mathematics Perimeter and Area

The diameter of a circle is 49m. What is it's area?

ICSE VII Mathematics Mensuration

What is pie r