Find the circumference of a semicircle whose diameter is equal to the radius of a hemisphere having total surface area 7392 cm2.

Find the circumference of a semicircle whose diameter is equal to the

1.	Find the circumference of a semicircle whose diameter is equal to the radius of a hemisphere having total surface area 7392 cm2.
A.	42 cm
B.	56 cm
C.	72 cm
D.	48 cm
E.	None of these
Answer» D. 48 cm

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Find the circumference of a semicircle whose diameter is equal to the radius of a hemisphere having total surface area 7392 cm2.

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