Circumference 40401

Calculate the diameter of a circle whose area in cm2 and the circumference in cm are expressed by the same number.

Correct answer:

D =  4 cm

Step-by-step explanation:

S=o π r2 = 2 π r π r = 2 pi  r=2  D=2 r=2 2=4=4 cm   Verifying Solution:  o=2π r=2 3.1416 212.5664 cm S=π r2=3.1416 2212.5664 cm2  S=o



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