1.
Find the surface area to the nearest tenth of a sphere with a radius of 5 centimeters.
A.
31.4 cm
2
B.
523.6 cm
2
C.
314.2 cm
2
D.
78.5 cm
2
Hint
2.
Find the surface area to the nearest tenth of a sphere with a diameter of 1.2 meters.
A.
4.5 m
2
B.
18.1 m
2
C.
7.2 m
2
D.
0.9 m
2
Hint
3.
Find the surface area of a sphere with a circumference of 54.04 inches. (Round to the nearest hundredth.)
A.
1254.83 in
2
B.
552.79 in
2
C.
929.57 in
2
D.
2664.31 in
2
Hint
4.
Determine the surface area of the hemisphere given the area of a great circle of the sphere. Round to the nearest tenth.
A.
769.5 in
2
B.
461.7 in
2
C.
615.6 in
2
D.
307.8 in
2
Hint
5.
Find the surface area of a hemisphere having a great circle with circumference of 2 millimeters. Round to the nearest hundredth.
A.
1.27 mm
2
B.
0.32 mm
2
C.
0.64 mm
2
D.
0.95 mm
2
Hint