1.
Find the surface area to the nearest tenth of a sphere with a radius of 5 centimeters.
A.
314.2 cm
2
B.
523.6 cm
2
C.
31.4 cm
2
D.
78.5 cm
2
Hint
2.
Find the surface area to the nearest tenth of a sphere with a radius of 4.2 centimeters.
A.
221.7 cm
2
B.
235.6 cm
2
C.
121.4 cm
2
D.
310.3 cm
2
Hint
3.
Find the surface area of a sphere with a circumference of 54.04 inches. (Round to the nearest hundredth.)
A.
2664.31 in
2
B.
929.57 in
2
C.
552.79 in
2
D.
1254.83 in
2
Hint
4.
Find the surface area of the sphere. Round to the nearest tenth.
A.
1017.9 cm
2
B.
4071.5 cm
2
C.
2046.6 cm
2
D.
904.8 cm
2
Hint
5.
Determine the surface area of the hemisphere given the area of a great circle of the sphere. Round to the nearest tenth.
A.
461.7 in
2
B.
307.8 in
2
C.
615.6 in
2
D.
769.5 in
2
Hint