Question

I need help for my test please!!
The first qustions and second questions have the same questions!!

Answer 1

Answer:

1.

The radius is 19

The diameter is given, so it is 38

The circumference is 119.38

2.

The radius is 21

The diameter is 42

The circumference is 131.95

Answer 2

Answer:

1st Circle

Radius = 19

Diameter = 38

Circumference = 2 × $\pi$ × r = 2 × 3.14 × 19 = 119.32

2nd Circle

Radius = 21

Diameter = 42

Circumference = 2 × $\pi$ × r = 2 × 3.14 × 21 = 131.88