Question

find the circumference of a circle whose radius is 4.9 CM

Answer 1

circumference=2πr
=2×22/7 ×4.9
=30.8 cm

Answer 2

Hey,

Given, Radius=4.9cm

We know that,

Circumference of a circle= 2πr
=2×22/7×4.9
=2×22/7×49/10
=2×22×7/10
=308/10
=30.8cm ANSWER...

HOPE IT HELPS:-))