Question

Need help on #3 plz helpppp

Answer 1

Actuallactuall to find circumference follow this formula:

pi (3.14) x 2 x r (radius)

So,

3.14 x 2 x 10.5

That equals 65.94

Answer 2

You do 3.14 which is pi x 10.52 and that equals 33.0328
hoped this helped