Question

an equilateral triangle inscribed in a circle.Find ratio of area to the circle

Answer 1

Would you like to make an attempt first ??

Answer 2

yup did but didnt find out

Answer 3

i am weak in maths thats why i am asking your help

Answer 4

Please wait..I am making a diagram.. :)

Answer 5

yup

Answer 6

okay

Answer 7

Let radius of circle be r
side length of triangle be a

We need to find a relation between 'r' and 'a'

Answer 8

The centre of circle is also the centroid of equilateral triangle.

So the point divides the line in the ratio 2:1

Answer 9

Can you now find a relation between 'r' and 'a' ??

Answer 10

nope do it

Answer 11

hey can you do me a favour i am gonna attach a file can yousolve them or give tips to it

Answer 12

AC = a
DC = a/2

Use pythagoras and find AD

Answer 13

okay

Answer 14

but why we need to find AD

Answer 15

because we aready have relation betweenthe radius and the sidde of the triangle

Answer 16

So, you already know the relation between 'r' and 'a' ??

Answer 17

nope

Answer 18

"...we aready have relation betweenthe radius and the sidde of the triangle..."
What does that ^^ mean ??

Answer 19

these are a set of sums

Answer 20

Do you really expect me to solve 60 questions here ??

Answer 21

nope just the math part

Answer 22

download them practise them

Answer 23

Read - http://openstudy.com/code-of-conduct

Answer 24

from 26 to 47

Answer 25

http://www.vibrantacademy.com/Micro_and_Nano_Sample_Test_Paper.pdf

Answer 26

this is the link you can download it from here