1.
Find the surface area of the cone. (Round to the nearest tenth.)
A.
91.0 sq. units
B.
88.5 sq. units
C.
102.4 sq. units
D.
97.0 sq. units
Hint
2.
If the cone had a slant height of 18 inches and a radius of 8 inches, and a piece is cut off of the top with a slant height of 8 inches and a radius of 5 inches, find the surface area of the frustom. (Round to the nearest tenth.)
A.
326.7 sq. in.
B.
495.1 sq. in.
C.
508.4 sq. in.
D.
606.3 sq. in.
Hint
3.
The surface area of a cone is 23,561.9 square feet and the radius of the base is 50 feet. Find the slant height.
A.
75 ft
B.
87 ft
C.
100 ft
D.
150 ft
Hint
4.
The surface area of a cone is 3.1 square meters and the radius of the base is 0.5 meter. Find the slant height.
A.
2.0 m
B.
1.5 m
C.
1.7 m
D.
1.2 m
Hint
5.
Determine the surface area of the cone. Round to the nearest tenth.
A.
185.5 ft
2
B.
301.6 ft
2
C.
150.8 ft
2
D.
263.9 ft
2
Hint