1.
Find the surface area to the nearest tenth of a sphere with a radius of 5 centimeters.
A.
78.5 cm
2
B.
31.4 cm
2
C.
523.6 cm
2
D.
314.2 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.
0.9 m
2
C.
7.2 m
2
D.
18.1 m
2
Hint
3.
Find the surface area to the nearest tenth of a sphere with a radius of 4.2 centimeters.
A.
121.4 cm
2
B.
310.3 cm
2
C.
221.7 cm
2
D.
235.6 cm
2
Hint
4.
Find the surface area of the hemisphere. Round to the nearest tenth.
A.
339.3 m
2
B.
565.5 m
2
C.
452.4 m
2
D.
226.2 m
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.
0.32 mm
2
B.
0.95 mm
2
C.
0.64 mm
2
D.
1.27 mm
2
Hint