Question

find the radius of a circle whose circumference is 57.2 (° •° π = 22/7)​

Answer 1

Answer:

circumference of circle =57.2

=>2×pi×r=57.2

2×22/7×r=57.2

r=572/10×7/2×1/22

r=572×7/440

9.1cm

mark as BRAINLIEST answer

Answer 2

Step-by-step explanation:

57.2 =2×22/7×r

572/10× 7/44=r

286/10×7/22=r

143/10×7/11=r

r=9.1m