1.
Find the surface area of the cone to the nearest tenth.
A.
197.9 in
2
B.
301.6 in
2
C.
452.4 in
2
D.
351.9 in
2
Hint
2.
Find the surface area to the nearest tenth of a sphere with a diameter of 1.2 meters.
A.
0.9 m
2
B.
4.5 m
2
C.
7.2 m
2
D.
18.1 m
2
Hint
3.
Find the surface area of the cone. (Round to the nearest tenth.)
A.
88.5 sq. units
B.
102.4 sq. units
C.
97.0 sq. units
D.
91.0 sq. units
Hint
4.
Find the surface area to the nearest tenth of a sphere with a radius of 4.2 centimeters.
A.
221.7 cm
2
B.
310.3 cm
2
C.
121.4 cm
2
D.
235.6 cm
2
Hint
5.
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