Question

Given that the circumference of a circle is 36 cm. Find the area of circle.

Answer 1

circumference of a circle = 2*π*r or d*π

if π = 3.14159.

36 = d*3,14159

d= 36/3,14159≈11,459....cm≈11,4cm

d= 11,4cm, r = 11,4/2 =5,7cm

Area circle =π*r²

A = 3,14159*5,7²≈102,0702..≈102cm²

Explanation: