Find the perimeter of a semicircle, if its radius is 2.1 m.

1.	Find the perimeter of a semicircle, if its radius is 2.1 m.
A.	7.7 m
B.	10.8 m
C.	2.8 m
D.	8.4 m
Answer» C. 2.8 m

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Find the perimeter of a semicircle, if its radius is 2.1 m.

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