AnswersGeometryGeometric Modeling in Three Dimensions

Practice Test Answers

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1
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What is the volume of the composite figure?

A
4 comma 400 units cubed
B
1 comma 200 units cubed
C
5 comma 040 units cubed
D
6 comma 000 units cubed
2
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Which expression represents the volume, in cubic units, of the shaded region of the composite figure?

A
1 half 14 10 8 minus pi open paren 2 point 5 squared close paren 8
B
1 third 1 half 10 8 14 minus pi open paren 2 point 5 squared close paren 8
C
1 half 14 10 8 plus pi open paren 2 point 5 squared close paren 8
D
1 third 1 half 10 8 14 plus pi open paren 2 point 5 squared close paren 8
3

Which expression represents the volume of the pyramid?

A
the fraction with numerator x squared plus 2 x squared and denominator 2 cm cubed
B
the fraction with numerator x cubed plus 2 x squared and denominator 3 cm cubed
C
the fraction with numerator x cubed plus 2 x squared and denominator 2 cm cubed
D
the fraction with numerator x cubed and denominator 3 cm cubed
4

Which expression represents the volume of the pyramid?

A
1 third s squared h units cubed
B
1 fourth s squared h units cubed
C
s squared h units cubed
D
3 s squared h units cubed
5

What is the volume of the cylinder?

A
2 comma 400 pi cubic units
B
2 comma 600 pi cubic units
C
2 comma 700 pi cubic units
D
2 comma 500 pi cubic units
10

Which statements about the cylinder are true? Choose two correct answers.

A
The height of the cylinder is 4 x units.
B
The height of the cylinder is 2 x units.
C
The radius of the cylinder is 2 x units.
D
The area of the cylinder’s base is 1 half pi x squared square units.
E
The area of the cylinder’s base is 1 fourth pi x squared square units.

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