Question

Help me please if you can't don't touch it

Answer 1

b. 31.4

Explanation:

The radius of the circle can be plugged into C=(pi)2r. So 5x2= 10 and 10x(pi)= 31.4

Answer 2

option B : 31.4 cm

Explanation:

Given radius , r = 5cm

Circumference =
`2 \pi r`

= 2 x 3.14 x 5

=10 x 3.14

= 31.4 cm