EulnadiamarceR EulnadiamarceR
  • 11-11-2016
  • Mathematics
contestada

Find the radius of a circle with the given circumfrence.

15pi ft.

A. 30 pi ft.
B. 30 ft.
C. 7.5 pi ft.
D. 7.5 ft.

Respuesta :

Ethan618
Ethan618 Ethan618
  • 11-11-2016
C=2pir. C=15pi. 15pi=2pir. R= 15/2 Pi ft. Answer is C.
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Аноним Аноним
  • 14-11-2016
The solution to the problem is as follows:

Given: C = 15 pi*ft

Answer:

C = 2*pi*r

r = C/2*pi
r = 15 pi*ft / 2*pi

r = 7.5 ft

Therefore, the answer is letter D. 7.5 ft.

I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
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