If the area of a semi-circle be 77 sq m, find its perimeter.

1.	If the area of a semi-circle be 77 sq m, find its perimeter.
A.	36 m
B.	42 m
C.	48 m
D.	54 m
E.	None of the above
Answer» B. 42 m

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If the area of a semi-circle be 77 sq m, find its perimeter.

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