Question

The area of a circle is 616 cm². Find its circumference. Use π = 22/7

A) 88 cm
B) 44 cm
C) 88 cm²
D) 44 cm²
​

Answer 1

A

Explanation:

pi*r²=616

22×r²=616×7

r²=4312/22

r=14

now

2piR=2×22/7×14

=88