Math, asked by hhunt3306, 9 months ago

the circumference of a hula hoop is 86 pi cm, what is the radius of the hula hoop?

Answers

Answered by soniaadetu

4

Answer: 43cm

Step-by-step explanation:

The formula for circumference: 2πr

Therefore, C= 2πr

C=86π cm

Therefore, 86π= 2πr

Divide both sides by 2π to get r

Therefore, 86π/ 2π = 2πr/2π

Cancelling out two pi, r= 43cm

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