AnswersSS26 Math 3 S2 M3960OXCavalieri's Principle and Volume of Composite Figures

Cavalieri's Principle and Volume of Composite Figures — Unit test Answers

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An oblique cylinder has a diameter of 14 units. The volume of the cylinder is 1,176π cubic units.

Question illustration
A
21 units
B
24 units
C
25 units
D
28 units
22
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The height of a right rectangular prism is three times the width of the base. The length of the base is twice the width.

Question illustration
A
5w2 cubic units
B
6w2 cubic units
C
5w3 cubic units
D
6w3 cubic units
23

Which shape has a vertex that is also an apex?

A
sphere
B
prism
C
cylinder
D
pyramid
24

This composite figure is made of two identical pyramids attached at their bases. Each pyramid has a height of 2 units.

Question illustration
A
Option
Option A
B
Option
Option B
C
2
Option C
D
2
Option D
25

A cylinder is shown. A half-sphere is stacked on the top and the bottom of the cylinder. The diameter of the cylinder if 20 and the height of the cylinder is 28.

Question illustration
A
π(103) + π(102)(28)
Option A
B
π(203) + π(202)(28)
Option B
C
2π(103) + π(102)(28)
Option C
D
2π(203) + π(202)(28)
Option D
26

A three-dimensional model of Lucia’s apartment is shown. To cool the whole apartment, an air conditioner must provide 2.5 BTUs per cubic foot.

Question illustration
A
19,600 BTUs
B
19,800 BTUs
C
20,400 BTUs
D
24,000 BTUs
27

A right square prism has a volume of 360 cubic units.Which could be the dimensions, in units, of the prism? Select three options.3 by 3 by 404 by 4 by 205 by 5 by 142.5 by 12 by 123.6 by 10 by 10

A
3 by 3 by 40
B
4 by 4 by 20
C
5 by 5 by 14
D
2.5 by 12 by 12
E
3.6 by 10 by 10
28

A right cylinder has a radius of 2 units and a height of 5 units.

Question illustration
A
31.4 cubic units.
B
62.8 cubic units
C
157.1 cubic units
D
314.2 cubic units.
29

Which expressions represent the volume of metal needed, in cubic millimeters, to make the pipe? Select two options.

A
21π(10)2 – 21π(6)2
B
π(20)2(21) – π(6)2
C
2,100π – 756π
D
7,644π
E
1,344
30

An oblique prism is created using rhombuses with edge lengths of 25 units. The area of one rhombus is 600 square units. The perpendicular distance between the bases is 24 units.What is the volume of the prism?

A
14,400 cubic units
B
15,000 cubic units
C
29,400 cubic units
D
36,000 cubic units
31

A rectangular prism with a square base is cut from the center of a triangular prism. Each side of the square base measures 1.7 units.

Question illustration
A
11.6 units3
B
45.4 units3
C
57.0 units3
D
68.6 units3
32

The oblique pyramid has a square base with an edge length of 5 cm. The height of the pyramid is 7 cm.

Question illustration
A
11 cm3
Option A
B
43 cm3
Option B
C
58 cm3
Option C
D
87 cm3
Option D
33

A solid oblique pyramid has an equilateral triangle as a base with an edge length of 4 cm and an area of 12 cm2.

Question illustration
A
12 cm3
Option A
B
16 cm3
Option B
C
24 cm3
Option C
D
32 cm3
Option D
34

What is the difference of the volumes of the two oblique pyramids, both of which have square bases? Round the volumes to the nearest tenth of a centimeter.

Question illustration
A
0.7 cm3
B
1.2 cm3
C
1.8 cm3
D
2.3 cm3

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