1.
Find the surface area to the nearest tenth of a sphere with a diameter of 1.2 meters.
A.
7.2 m
2
B.
0.9 m
2
C.
18.1 m
2
D.
4.5 m
2
Hint
2.
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.
2664.31 in
2
C.
929.57 in
2
D.
552.79 in
2
Hint
3.
Determine the surface area of the sphere. Round to the nearest tenth.
A.
1303.8 ft
2
B.
402.1 ft
2
C.
325.9 ft
2
D.
163.0 ft
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.
307.8 in
2
B.
769.5 in
2
C.
615.6 in
2
D.
461.7 in
2
Hint
5.
What is the surface area of a sphere that contains a great circle with a circumference of 2640 kilometers?
A.
3,317,521.8 km
2
B.
1,663,869.4 km
2
C.
2,773,115.7 km
2
D.
2,218,492.6 km
2
Hint