1.
A tetrahedron is a pyramid with a triangular base. Find the volume of the tetrahedron.
A.
22 cubic inches
B.
33 cubic inches
C.
66 cubic inches
D.
44 cubic inches
Hint
2.
The radius of a cone is 6 inches. The height is 12 inches. If the radius of the cone is tripled and the height remains the same, what is the volume of the new cone?
A.
6107.3 cubic inches
B.
24,429.0 cubic inches
C.
16,286.0 cubic inches
D.
4071.5 cubic inches
Hint
3.
What is the volume of a cone with a diameter of 21
cm and a height of 33 cm? Round to the nearest tenth.
A.
371.5 cm
3
B.
3,993.6 cm
3
C.
363.1 cm
3
D.
11,980.7 cm
3
Hint
4.
Find the volume of an octagonal pyramid with a base area of 363 inē and a height of 41 inches.
A.
44,649 in
3
B.
4,920 in
3
C.
4,961 in
3
D.
14,883 in
3
Hint
5.
What is the volume of a cone that is 2 inches across and 4 inches tall rounded to the tenths?
A.
12.6 in
3
B.
16.8 in
3
C.
4.2 in
3
D.
8.4 in
3
Hint