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Moderate

Areas of Semicircles

ACTMAT-JXJZYE

What is the length of the diameter of a semicircle with area $ 16{\pi} $ square centimeters, in centimeters?

A

$ {4\sqrt{2}} $

B

$ {8} $

C

$ {8\sqrt{2}} $

D

$ {16} $

E

$ {32} $