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Zigmanuir [339]
3 years ago
9

Find the radius of a circle with a circumference of 45π centimeters.

Mathematics
2 answers:
kozerog [31]3 years ago
0 0

Answer:

22.5 cm

Step-by-step explanation:

Hitman42 [59]3 years ago
0 0

Answer:

22.5 cm

Step-by-step explanation:

The circumference of a circle is given by

C = 2*pi*r  where r is the radius

The circumference is 45 pi

45pi = 2 * pi *r

Divide each side by 2pi

45pi/2pi =2pi*r/2pi

22.5 = r

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