alleryStart learning →A circular coin has diameter 14 mm. Using pi = 22/7, what is the area of one face?
A616 mm2
B44 mm2
C154 mm2
D308 mm2
Answer & Solution
Correct answer: C. 154 mm2
The radius is 7 mm, so the area is 22/7 x 7 x 7 = 154 mm2.
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