### CBSE X Maths Introduction to Trigonometry

##
- If A be the area of a right triangle and x is one of the sides containing right angle .Prove that the length of altitude on the hypotenuse is 2Ax / √(x^2 +4A^2).

- If A be the area of a right triangle and x is one of the sides containing right angle .Prove that the length of altitude on the hypotenuse is 2Ax / √(x^2 +4A^2).

**sucharitasahoo1**24th November 2017 6:04 PM

### CBSE X Maths Triangles

## QQ no 24

**sucharitasahoo1**26th November 2017 12:29 AM

### CBSE X Maths Triangles

## Q no 25

**sucharitasahoo1**26th November 2017 10:01 AM

### CBSE IX Maths Circles

## Please solve question no 11 with proper explanation

**adityaahuja099**28th November 2017 5:45 PM

### ICSE IX Maths Trigonometry

## Please solve the encircled sum, not the crossed one:-

**madhupur.suraj**2nd December 2017 4:16 PM

### CBSE X Maths Surface Areas and Volumes

## what side x of this square?

**abinash.gupta003**6th December 2017 8:02 PM

### ICSE X Maths Circle: Arc and Cyclic Properties

## plz solve

**lovemaan5500**20th December 2017 7:11 AM

### CBSE IX Maths Triangles

## Please solve question no. 60

**vikasg13.hardware**29th December 2017 11:28 AM

### ICSE IX Maths Pythagoras Theorem

## 25th ques

**lovemaan5500**4th January 2018 7:29 AM

### CBSE X Maths Triangles

## Answer the following

**tultuldutta58**8th January 2018 3:14 AM

### CBSE X Maths Triangles

## Answer the following

**tultuldutta58**8th January 2018 3:15 AM

### CBSE X Maths Triangles

## Answer the following

**tultuldutta58**8th January 2018 3:16 AM

### CBSE X Maths Triangles

## Answer the following

**tultuldutta58**8th January 2018 3:17 AM

### CBSE X Maths Triangles

## Answer the following

**tultuldutta58**8th January 2018 3:17 AM

### CBSE X Maths Triangles

## Answer the following

**tultuldutta58**8th January 2018 3:19 AM

### CBSE X Maths Triangles

## Answer the following

**tultuldutta58**8th January 2018 3:19 AM

### CBSE X Maths Triangles

## prove of pythagoras theoram

**amolshukal.2001**18th January 2018 9:07 AM

### CBSE VII Maths The Triangle and Its Properties

## a ladder of length 17m reaches a window 8m above the ground on one side of a street and at same point it reaches a window 15m in a wall on opposite side.find the width of the street

**arajeevshashank**25th January 2018 10:02 AM

### ICSE X Maths Circle

## P and Q are centres of circles with radii 9cm and 2cm respectively. PQ=17cm.R is centre of the circle of radius xcm which touches the above circles externally. PQR= 90°

**Usha**2nd February 2018 2:33 PM

### ICSE VIII Maths

## When the sun is directly overhead, a 4m rod is held in an inclined position so that its shadow is 3m long. How much higher is one end of the rod than the other?

**180187569415715**6th February 2018 5:41 PM

### CBSE IX Maths

## The lengths of a triangle are 6 cm, 8 cm and 10 cm. Then the length of perpendicular from the opposite vertex to the side whose length is 8cm is: (A) 5 cm (B) 4 cm (C) 6 cm (D) 2 cm

**gujarsurjeet007**9th February 2018 5:05 PM

### CBSE X Maths Triangles

## in a right angle triangle pqr at q = 90 ,qm is a median prove that pq square +qr square+pr square = 8 qm square

**sahiljeel2002**11th February 2018 10:21 AM

### CBSE X Maths Triangles

## In triangle abc angle a is equal to 60degrees prove that bc^2=ab^2+ bc ^2-ab.ac

**vibhu.wwe**14th February 2018 5:15 PM

### CBSE X Maths Triangles

## In a triangle ABC. AD is perpendicular to BC and 2BD = 3CD. Prove that 5AB^2 = 5AC^2+BC^2

**sudhanshukkeshri**16th February 2018 6:31 PM

### ICSE X Maths

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

**Tanishqchhabra15**18th February 2018 9:53 AM

### CBSE X Maths Triangles

## A right angled triangle has its area numerically equal to its perimeter. The length of each side is an even number and hypotenuse is 10 cm. What is the perimeter?

**manasvi.gopani**18th February 2018 5:05 PM

### ICSE X Maths

## Solution of sample paper important questions

**nandini.umesh1997**24th February 2018 6:07 PM

### CBSE X Maths

## $In\u2206ABC,m\angle B=90\xb0,AB=7cmandAC-BC=1cm.Determinethevaluesof\mathrm{sin}Band\mathrm{cos}B.$

**sibaramamohanty**2nd March 2018 8:12 AM

### CBSE X Maths Triangles

## In right angled Triangle ABC if D and E trisect BC then prove that 8 AE2 = 3 AC2 + 5 AD2

**gpnkumar0**4th March 2018 8:37 PM

### ICSE IX Maths Pythagoras Theorem

## 1)The length of two sides of a right angled triangle containing the right angle differ by 6cm.If the area is 36cm2 find the perimeter 2) Solve simultaneously 3/x+4y=7 5/x+6y=13

**Sunita**9th March 2018 2:40 PM

### ICSE IX Maths Pythagoras Theorem

## 1)A man travels 7 km due north ,then goes 3km due east and the 3 km due south.how far is he from starting point

**Sunita**9th March 2018 2:53 PM

### CBSE X Maths Triangles

## How to proof the pythagoras theorem?

**reenabhartintpc001**13th March 2018 3:27 PM

### CBSE X Maths

## Q ABc is aright angled triangle, right angled at B such that BC= 6cm and AB =8cm. Acircle with centre O is inscribed in triangle ABC. The radius of the circle is:

**vikasg13.hardware**16th April 2018 5:05 PM

### CBSE X Maths Triangles

## Please solve this question

**vikasg13.hardware**23rd June 2018 5:35 PM

### CBSE X Maths Triangles

## Please solve this question

**vikasg13.hardware**28th June 2018 6:19 AM

### CBSE VIII Maths

## How to find Pythagorean triplet if smallest number is 10

**Prabhakarmallepally**29th June 2018 7:04 AM

### ICSE IX Maths

## in right angled tringleprove thatfour times the sum of the squareson the medians drawn from the acute anglesis equal tofive timesthe square on the hypotensues.

**japooyani**2nd August 2018 8:32 AM

### CBSE X Maths

## The number of square centimeters in the area of a rectangle is the same as the number of centimeters inthe perimeter. Ifthe diagonal is 3root5 cm. find its sides.

**vikasg13.hardware**7th August 2018 5:32 PM

### CBSE VII Maths

## The foot of a ladder is 6m away from a wall and its top reaches a window 8m above the ground.If the ladder is shifted in such a way that its foot is 8m away from the wall to what height does its top reach?

**abhinavsinha317**9th August 2018 11:49 AM

### ICSE IX Maths

## Ols answer me question no. 14,15,16,17

**NI Schay**12th August 2018 6:46 AM

### CBSE X Maths

## Let a right triangle BAC in which ∠A is right angle and AC = y, AB = x. Three equilateral triangles ΔAEC, Δ AFB and ΔCBD are drawn on the three sides of ΔABC. Again let area of triangles made on AC, AS and BC are A1, A2 and A3, respectively. To prove A3 = A1 + A2

**rushabhjain.avv**24th August 2018 12:04 AM

### ICSE IX Maths

## In an equilateral triangle, ABC, D is a point on the side BC such that BD:DC is = 1:3 . Prove that 16 AD^2 = 13 AB^2.

**bsap6777**28th August 2018 9:41 PM

### ICSE IX Maths Pythagoras Theorem

## In an isoceles triangle ABC, AB=AC and D is a point BC produced. Prove that AD^2=AC^2 + BD * CD

**bsap6777**28th August 2018 9:50 PM

### CBSE X Maths

## Equilateral triangles are drawn on the three sides of a right angled triangle. Show that the area of the triangle on the hypotenuseis equal to the sum of the areas of triangles on the other two sides.

**Rithwikrishanth123**31st August 2018 11:01 PM

### CBSE IX Maths

## Can you please answer this

**Vikram**2nd September 2018 3:47 PM

### CBSE X Maths

## equilateral triangles are drawn on the sides of a triangle.show that the area of the triangles on the hypotenuse is equal to the sum of the areas of triangles on other two sides

**devragkrishnan**2nd September 2018 7:48 PM

### ICSE VII Maths

## A ladder 37m long reaches a window which is 12m above the ground,on one side of the street. Keeping its foot at the same point,the ladder is turned to the other side of the street to reach a window at a height of 35m.Find the width of the street.

**dibroy12**27th September 2018 7:52 PM

### CBSE VIII Maths

## wheater 6,8 and 10 are pythorean tripet are not

**siddu098**30th September 2018 10:26 PM

### CBSE X

## Q.1. If the sides of a triangle are 3cm,4cm and 6cm long ,determine wheather the triangle is a right angled triangle.

**anirudhsharma2009**17th October 2018 1:44 PM

### ICSE IX Maths

## If the area of an isosceles traingle is 60 cm^2 and the length of each of its equal sides is 13 cm , find its base .

**aadrica.kanika**17th October 2018 6:37 PM

### ICSE VII Maths

## find the aea of a right triangle whose hypotenuse is 26 cm long and one of the sides containing the right angle measures 10 cm.

**inhindia727**10th November 2018 10:32 AM

### ICSE VII Maths

## Two poles 30m and 18m high stand upright in the ground if their feet are 5m apart find distance between them

**ashishitwarimodi**6th December 2018 7:53 PM

### CBSE VII Maths The Triangle and Its Properties

## Two poles of heights 6m and 11m stand on a plane ground . If the distance between their feet is 12m find the distance between their tops

**pulkitsachdeva561**10th December 2018 6:54 PM

### CBSE VII Maths

## A ladder kept inclined at an angel of 40 degree at a distance of 8 feet from the building touches the building at some height. If the same ladder is kept at a distance of 6 feet with an inclination of 50 degree then find the height at which the ladder touches the building.

**Khushi5893**30th December 2018 10:19 PM

### ICSE VIII Maths

## 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

**chaudharysn165**4th January 2019 8:16 AM

### ICSE IX Maths Pythagoras Theorem

## The sides of a right triangle containing the right angle are (5x) cm and (3x-1) cm. If the area of the triangle is 60 cm^2, calculate the length of the sides of the triangle.

**kadtej83**24th January 2019 5:37 AM

### CBSE X Maths

## Plz help to solve the question.

**adilaman.java**8th February 2019 5:59 PM

### CBSE X Maths Triangles

## Write pythagouras theorem and prove it

**np2609941**8th February 2019 10:03 PM

### ICSE VII Maths

## ABC is right angled triangle at B. Find b, a=24cm and c=7cm

**Kashyapsuneha50**11th February 2019 7:05 PM

### CBSE IX Maths

## explain pythagoras theorem

**ruchira.tope**18th February 2019 1:46 PM

### CBSE VII Maths Perimeter and Area

## area of an isoscles triangle is 48 cm2. if altitudes corresponding to the base is 8cm ,find perimeter.

**sivanimedarametla**22nd February 2019 9:18 AM

### CBSE X Maths Triangles

## Converse pythagoras therom

**Yasinmansuri680**24th February 2019 4:43 PM

### CBSE X Maths

## for going to city B from cityA, there is a route via city C such that AC is perpandicular to CB,AC=2x and CB=2(x+7)km. it is proposed to construct a 26km highway which directly connects the two cities A and B. find how much distance will be saved in reaching cityB from cityA after the construction of the highway

**amrithasai123**25th February 2019 7:33 AM

### CBSE X Maths Triangles

## If A is the area of right triangle and b is one of the sides containing the right angle,then prove that the length of the altitude on the hypotenuse is 2Ab/√(b^4+4A^2)

**rhtwatts**6th March 2019 3:59 PM

### CBSE VIII Maths Squares and Square Roots

## To show the triplets in pythagorean of number 20,48,52

**Jainrajni25**14th June 2019 2:56 PM

### CBSE X Maths Triangles

## What is Pythagoras theorem?

**labheshvaidya**26th June 2019 6:31 PM

### CBSE VII Maths The Triangle and Its Properties

## ABC is a triangle ,right-angled at C.If AB=25 cm ,AC=7cm, find BC by Pythagoras property.

**BHAWANA.BAIJAL**31st July 2019 7:51 PM

### CBSE VII Maths The Triangle and Its Properties

## A 15m long ladder reached a window 12m high from the ground on placing it against a wall at a distance a find the distance of the foot of the ladder from the wall

**simmityagi950**15th September 2019 1:14 PM

### CBSE VII Maths The Triangle and Its Properties

## pythagorus thearum?how to find it?

**ajitsahane11121**19th September 2019 1:04 PM

### CBSE VII Maths The Triangle and Its Properties

## What is phythagerous Therom? find it

**subhasAbhale**19th September 2019 6:27 PM

### CBSE X Maths Triangles

## an equilateral triangle of side 9 cm is inscribed in a circle find the radius of the circle

**atyagi.salesforce**14th October 2019 10:55 PM

### CBSE VII Maths The Triangle and Its Properties

## what is the property of pytogaras

**sundarsree0813**30th October 2019 7:28 PM

### CBSE VII Maths The Triangle and Its Properties

## find the length of the hypotenuse of a right triangle the other two sides of which measures 9cmand12cm

**kumarabhishekmishra8678**26th November 2019 6:10 AM

### CBSE IX Maths

## The lengths of a triangle are 6 cm, 8 cm and 10 cm. Then the length of perpendicular from the opposite vertex to the side whose length is 8cm is:

**aditya.richa05**19th January 2020 12:12 AM

### CBSE X Maths Triangles

## Determine the length of altitude AD of isosceles triangle ABC of side 2a, 2a and a

**dilpreet101kk**22nd January 2020 4:21 PM

### CBSE IX Maths

## In rectangle ABCD,AB =8cm and BC= 6cm. Find BD.

**vrishapatel9**24th January 2020 12:54 PM

### CBSE VII Maths The Triangle and Its Properties

## The length f three sides of a triangle are given below . Find which can form a right triangle . A. 11 cm ,60cm, 61cm

**Ramraovaidya**3rd February 2020 10:13 PM

### ICSE IX Maths Pythagoras Theorem

## In rhombus ABCD , prove that : AB^2 + BC^2 + CD^2 + AD^2 = AD^2 + BD^2

**simranmangnani2282.9sdatl**13th May 2020 2:52 PM

### CBSE X Maths

## What is Pythagorean triplet

**kalyanichoudhari42.10ptl**19th May 2020 8:21 PM

### CBSE VI Maths

## Please explain the Pythagoras theorem. Also define Integral Calculus. Please. Please.

**nandinijha61.5spicertl**24th May 2020 12:54 PM

### ICSE IX Maths Pythagoras Theorem

## in tringle ABC, angle B is 90 °and D is the mid point of BC . prove that 1. AC² = AD² + 3CD² 2.BC²= 4(AD² -AB²)

**kavyaraval1075.9sdatl**8th June 2020 7:35 PM

### ICSE IX Maths Mensuration I

## in triangle XYZ, angle XZY= 90 , XY = z units, YZ = x units, ZX= y units, ZDis perpendicular to XY and ZD = p units, prove that: 1 / p2 = 1 / x2 + 1 / y2

**hemanginivyas92.9spicertl**20th August 2020 9:55 PM

### ICSE IX Maths Pythagoras Theorem

## In triangle ABC, ∠B equals to 90° and D is midpoint of BC. Prove that AC 2 =AD 2 + 3 CD 2

**aryan2mumbai**1st September 2020 8:29 PM

### CBSE X Maths Triangles

## question

**arindeep.singh**16th September 2020 10:08 PM

### CBSE X Maths Triangles

## question

**arindeep.singh**17th September 2020 11:19 AM

### CBSE IX Maths Triangles

## A 5 cm brick is placed in front of a wheel. What is the radius of the wheel if the distance from the brick to the wheel is 15 cm?

**vkclu.007**22nd September 2020 11:15 PM

### CBSE X Maths Triangles

## In triangle ABC right angled A+C,D is the mid point of DC. Prove that AB²=4AD²+3AC²....plz solve this problem

**hr812622**23rd September 2020 12:34 PM

### CBSE X Maths Triangles

## equilateral triangle ABC , D is a point on side BC such that 3BD = BC. Prove that 9AD2 = 7AB2.

**deepak13376**23rd September 2020 1:33 PM

### CBSE X Maths Triangles

## proof pythagoras theorem

**mk0694015**3rd November 2020 11:33 AM

### CBSE X Maths Triangles

## State the converse of Pythagoras theorem

**somyajangid78**25th January 2021 12:55 AM

### CBSE VIII Maths Algebraic Expressions and Identities

## In ∆ ABC, ∠B = 900and AC2 = 2 BC2 then ∠ A = __________

**kumar9908882339**20th May 2021 12:51 PM

### CBSE X Maths Triangles

## Please solve question 20

**Trisha Gupta**3rd September 2021 1:04 AM

### CBSE VII Maths The Triangle and Its Properties

## How can we find pythagorean triplet?

**rashmij34**24th February 2022 3:37 PM

### ICSE VIII Maths Playing With Numbers

## pythagian triplet

**mrsnaziakhan**20th August 2022 7:41 PM

### ICSE IX Maths Pythagoras Theorem

## Pythagoras Theorem How to solve the problem in the given picture?

**mak121007abk**25th February 2023 7:39 PM

### CBSE VII Maths The Triangle and Its Properties

## pythagoras therom

**harshadalohar36**24th March 2023 12:06 PM

### CBSE X Maths Triangles

## hi sir can u please say hoe to find the angles of trianglr wheather it is a right angle

**bnarayanamstr**3rd May 2023 10:03 AM