Express the statement as an equation involving the indicated variables.The surface area S of a sphere is 4 times ? times the square of the radius r.

A. S = ?r2
B. S = 4? 
C. S = 4?r
D. S = 4?r2


Answer: D

Mathematics

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A. 252°23'24'' B. 252°15'23'' C. 252°14'24'' D. 252°14'24''

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A.

B.

C.

D.

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