1.
Determine the lateral area of the cone. Round to the nearest tenth.
A.
754.0 cm
2
B.
1508.0 cm
2
C.
1206.4 cm
2
D.
603.2 cm
2
Hint
2.
Find the surface area of a cone if the diameter of its base is 13.5 feet, and it has a slant height of 16.8 feet. Round to the nearest tenth.
A.
499.4 ft
2
B.
712.5 ft
2
C.
572.6 ft
2
D.
797.3 ft
2
Hint
3.
The lateral area of a regular pyramid with an octagonal base is 109.9 cm
2
. If the slant height is 6.7 cm, find the length of one side of the base. Round to the nearest tenth.
A.
2.1 cm
B.
16.4 cm
C.
32.8 cm
D.
4.1 cm
Hint
4.
Find the radius of a cone if the lateral area is 443.3 mm
2
and the slant height is 14.7 mm. Round to the nearest tenth.
A.
9.6 mm
B.
19.2 mm
C.
4.8 mm
D.
6.7 mm
Hint
5.
Find the slant height of a cone with surface area of 178.6 in.
2
and a radius of the base is 4.9 in. Round to the nearest tenth.
A.
13.4 in.
B.
8.5 in.
C.
6.7 in.
D.
18.3 in.
Hint