Find the area of the circle with the given radius or diameter. Use ? ? 3.14.d = 20 cm (Round your answer to the nearest tenth if necessary.)
A. A ? 62.8 cm2
B. A ? 1256 cm2
C. A ? 125.6 cm2
D. A ? 314 cm2
Answer: D
Mathematics
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Find the volume of the solid.
A. 58
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B. 87
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