Question

please give me answer ​

Answer 1

Answer:

Circumference = 2πr

a) Circumference = 2π(12) = 2 x 22/7 x 12 = 528/7 = 75.42 cm

b) Circumference = 2π(7.2) = 2 x 22/7 x 7.2 = 316.8 / 7 = 45.25 cm

c) Circumference = 2π(15) = 2 x 22/7 x 15 = 660/7 = 94.28 mm  = 9.428 cm

Only 5 pts for this big is too small

Add more points for others