Question

The circumference of a hula hoop is 86 pi cm. What is the radius of the hula hoop?

Answer 1

Answer:

86/ 2x3.14

86/6.28

answer: 13.69426 (round it)

Step-by-step explanation:

Answer 2

Answer:

Radius is 43/π

Step-by-step explanation:

Circumference of a circle:  C = 2πr

Step 1:  Solve for r

86 / 2π = 2πr / 2π

43/π = r

Answer:  Radius is 43/π