AnswersMASTER COURSE GeometryChanging Dimensions of 3-D Figures

Changing Dimensions of 3-D Figures — Quiz Answers

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6

A triangular prism has an equilateral base with each side of the triangle measuring 8 point 4 centimeters. The height of the prism is 10 point 2 centimeters. Which triangular prism is similar to the described prism?

A
Image with description An equilateral triangular prism with base edge lengths 9.4 centimeters and height 11.2 centimeters.
B
Image with description An equilateral triangular prism with base edge lengths 16.8 centimeters and height 20.4 centimeters.
C
Image with description An equilateral triangular prism with base edge lengths 2.8 centimeters and height 5.1 centimeters.
D
Image with description An equilateral triangular prism with base edge lengths 10.2 centimeters and height 8.4 centimeters.
8

A square pyramid has a base side length of 20 point 4 cm and a height of 18 point 2 cm. Which square pyramid is similar?

A
base side length is equal to 18 point 2 cm, height is equal to 20 point 4 cm
B
base side length is equal to 30 point 6 cm, height is equal to 27 point 3 cm
C
base side length is equal to 22 point 9 cm, height is equal to 20 point 7 cm
D
base side length is equal to 40 point 8 cm, height is equal to 45 point 5 cm
11

When the large prism was reduced, the surface area changed by a factor of

A
16 over 25 .
B
10 eighths .
C
64 over 125 .
D
4 fifths .
12

What is the area of the base of the smaller prism, rectangle ABCD ?

A
3 point 7 8 cm cubed
B
3 point 7 8 cm squared
C
1 point 2 6 cm squared
D
1 point 2 6 cm cubed
15

What is the volume of the larger prism?

A
36 m squared
B
36 m cubed
C
144 m squared
D
144 m cubed
16

A square pyramid has a base side length of 20 point 4 cm and a height of 18 point 2 cm. Which square pyramid is similar?

A
base side length is equal to 22 point 9 cm, height is equal to 20 point 7 cm
B
base side length is equal to 30 point 6 cm, height is equal to 27 point 3 cm
C
base side length is equal to 40 point 8 cm, height is equal to 45 point 5 cm
D
base side length is equal to 18 point 2 cm, height is equal to 20 point 4 cm
19

A triangular prism has an equilateral base with each side of the triangle measuring 8 point 4 centimeters. The height of the prism is 10 point 2 centimeters. Which triangular prism is similar to the described prism?

A
Image with description An equilateral triangular prism with base edge lengths 9.4 centimeters and height 11.2 centimeters.
B
Image with description An equilateral triangular prism with base edge lengths 16.8 centimeters and height 20.4 centimeters.
C
Image with description An equilateral triangular prism with base edge lengths 10.2 centimeters and height 8.4 centimeters.
D
Image with description An equilateral triangular prism with base edge lengths 2.8 centimeters and height 5.1 centimeters.

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