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20-07-2021
Mathematics

contestada

What is the radius of the circle if the circumference is 18 pi centimeters

Respuesta :

20-07-2021

Answer:

9cm

Step-by-step explanation:

Circumference formula = 2piR

To calculate radius

The equation becomes

2piR = 18pi

R = 18pi/2pi

= 9cm

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