Question

if radius, circumference and area of circle is denoted by r, c abd A then prove that A=½Cr​

Answer 1

Step-by-step explanation:

We know,

area of circle=πr²-----(1)

circumference(C)=2πr

C/2r=π

put in ( 1) eq.,

A=C/2r×r²

A=1/2 Cr.

Hope it helps