Mathematics, 08.04.2021 06:00 gamerdoesart

HELPPP!! The head of a carriage bolt is circular, as shown. The head of this bolt has a diameter of 20 millimeters.
Which measurement is closest to the area of the head of this bolt in square millimeters?

A. 1,256 square millimeters
B. 63 square millimeters
C. 314 square millimeters
D. 31 square millimeters

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The head of a carriage bolt is circular, as shown. The head of this bolt has a diameter

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HELPPP!! The head of a carriage bolt is circular, as shown. The head of this bolt has a diameter of...