Find the radius of a circle with a circumference of 45π centimeters.
2 answers:
Answer:
22.5 cm
Step-by-step explanation:
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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