### CBSE X Mathematics 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 Mathematics Triangles

## QQ no 24

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

### CBSE X Mathematics Triangles

## Q no 25

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

### CBSE IX Mathematics Circles

## Please solve question no 11 with proper explanation

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

### ICSE IX Mathematics Trigonometry

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

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

### CBSE X Mathematics Surface Areas and Volumes

## what side x of this square?

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

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

## plz solve

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

### CBSE IX Mathematics Triangles

## Please solve question no. 60

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

### ICSE IX Mathematics Pythagoras Theorem

## 25th ques

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

### CBSE X Mathematics Triangles

## Answer the following

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

### CBSE X Mathematics Triangles

## Answer the following

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

### CBSE X Mathematics Triangles

## Answer the following

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

### CBSE X Mathematics Triangles

## Answer the following

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

### CBSE X Mathematics Triangles

## Answer the following

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

### CBSE X Mathematics Triangles

## Answer the following

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

### CBSE X Mathematics Triangles

## Answer the following

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

### CBSE X Mathematics Triangles

## prove of pythagoras theoram

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

### CBSE VII Mathematics 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 Mathematics 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 Mathematics

## 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 Mathematics

## 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 Mathematics 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 Mathematics 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 Mathematics 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 Mathematics

## 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 Mathematics 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 Mathematics

## Solution of sample paper important questions

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

### CBSE X Mathematics

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

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

### CBSE X Mathematics 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 Mathematics 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 Mathematics 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 Mathematics Triangles

## How to proof the pythagoras theorem?

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

### CBSE X Mathematics

## 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 Mathematics Triangles

## Please solve this question

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

### CBSE X Mathematics Triangles

## Please solve this question

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

### CBSE VIII Mathematics

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

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

### ICSE IX Mathematics

## 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 Mathematics

## 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 Mathematics

## 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 Mathematics

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

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

### CBSE X Mathematics

## 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 Mathematics

## 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 Mathematics 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 Mathematics

## 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 Mathematics

## Can you please answer this

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

### CBSE X Mathematics

## 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 Mathematics

## 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 Mathematics

## 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 Mathematics

## 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 Mathematics

## 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 Mathematics

## 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 Mathematics 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 Mathematics

## 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 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

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