1.
Find the lateral area of the cone to the nearest tenth.
A.
240.3 cm
2
B.
161.7 cm
2
C.
141.4 cm
2
D.
706.9 cm
2
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.
606.3 sq. in.
B.
326.7 sq. in.
C.
508.4 sq. in.
D.
495.1 sq. in.
Hint
3.
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.
1.7 m
B.
2.0 m
C.
1.5 m
D.
1.2 m
Hint
4.
Determine the surface area of the cone. Round to the nearest tenth.
A.
301.6 ft
2
B.
185.5 ft
2
C.
263.9 ft
2
D.
150.8 ft
2
Hint
5.
Find the surface area of the solid. Round to the nearest tenth.
A.
141.3 ft
2
B.
226.1 ft
2
C.
197.9 ft
2
D.
169.6 ft
2
Hint