AnswersGeometryGeometric Modeling in Two- and Three- Dimensions

Practice Test Answers

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1
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Which statements about the cylinder are true? Choose two correct answers.

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

A
18 square units
B
6 square units
C
12 square units
D
9 square units
3

Which expression represents the volume of the pyramid?

A
3 s squared h units cubed
B
1 third s squared h units cubed
C
s squared h units cubed
D
1 fourth s squared h units cubed
6

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

A
The length of segment WZ is 20 cm.
B
The length of segment XY can be found by solving for A in 20 squared minus 7 point 6 5 squared is equal to A squared .
C
The measure of the central angle, angle ZXW , is 45 degrees .
D
The measure of the angle formed by the radius and the apothem is 30 degrees .
E
The length of segment YZ is 15 point 3 cm.
7

Which expression represents the volume of the pyramid?

A
the fraction with numerator x cubed and denominator 3 cm cubed
B
the fraction with numerator x squared plus 2 x squared and denominator 2 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 plus 2 x squared and denominator 3 cm cubed
12

Which polygon is a convex heptagon?

A
Image with description A polygon has 8 vertices, and all vertices point outward.
B
Image with description A polygon with 7 sides and no interior angles greater than 180 degrees.
C
Image with description A polygon with 7 sides and no interior angles greater than 180 degrees.
D
Image with description A polygon has 8 vertices and one inward angle near the center vertex on the upper-left side.
15

What is the volume of the cylinder?

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

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