### 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