Question

How will you measure the circumference of a five rupee coin?
FORMULA ALONE :D, don't copy from google

Answer 1

A five rupee coin is circle .
to measure area of circle we use

pi×r2
pi value is 3.14
3.14
radius=r

radius of circle=length of circle from centre to edge.

Answer 2

YOUR ANSWER :

A 5 rupee coin is a circle whose area can be measure by using the formula :

π × r²

1) Value of π is constant 3.14.

2) r is the radius of the coin.

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