AnswersMathematics for College Liberal Arts Sem 2 1207350 BCPS 2026-27Symmetry of Solids

Symmetry of Solids Answers

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A square pyramid is rotated about a line perpendicular to the base and through the vertex. What angle of rotation maps the pyramid onto itself?

A
30º
B
45º
C
60º
D
90º
2
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Which solid has an infinite number of planes of symmetry?

A
a trapezoidal pyramid
B
a cube
C
a right triangular prism
D
a cone
3

Question text not available

Question illustration
A
one
B
two
C
four
D
infinitely many
4

Which solid has an infinite number of planes of symmetry?

A
Option
B
Option
C
Option
D
Option
5

How many planes of reflectional symmetry does a regular hexagonal prism have?

A
6
B
7
C
12
D
13
6

Which object would most likely have rotational symmetry?

A
a sign shaped like an arrow
B
a bicycle wheel
C
an elephant
D
an airplane
7

The line about which a three-dimensional figure is rotated to obtain an object identical to the original is a(n)

A
horizontal plane.
B
plane of symmetry.
C
reflectional axis.
D
axis of symmetry.
8

HTTP 503

Question illustration
A
one
B
five
C
six
D
infinitely many
Option D
9

Question text not available

Question illustration
A
The prism doesn’t have an axis of symmetry.
B
The prism has exactly one axis of symmetry that goes through two faces.
C
The prism has exactly one axis of symmetry that goes through the bases.
D
The prism has more than one axis of symmetry.
10

Question text not available

Question illustration
A
line of reflection
B
line of symmetry
C
plane of reflection
D
axis of symmetry
11

Question text not available

Question illustration
A
zero
B
four
C
eight
D
infinitely many
12

Question text not available

Question illustration
A
six
B
seven
C
twelve
D
infinitely many
13

Which solid has exactly five of planes of symmetry?

A
Option
B
Option
C
Option
D
Option
14

Which solid has exactly five of planes of symmetry?

A
Option
B
Option
C
Option
D
Option
15

Question text not available

Question illustration
A
The axis passes through the vertex and through the center of the base.
B
The axis passes through two consecutive triangular faces of the pyramid.
C
The axis passes through two non-consecutive triangular faces of the pyramid.
D
The axis passes through one triangular face of the pyramid and through the base.
16

A plane that divides a three-dimensional figure into mirror images is a(n)

A
rotational plane.
B
plane of symmetry.
C
horizontal axis.
D
axis of symmetry.
17

How many planes of symmetry does a cube have? planes of symmetry

Answer not available
18

If an object maps onto itself after being rotated 180 degrees or less about a line, it has

A
rotational symmetry.
B
no plane of symmetry.
C
reflectional symmetry.
D
no axis of symmetry.
19

If an object looks the same on both sides when divided by a plane, it has

A
rotational symmetry.
B
no plane of symmetry.
C
reflectional symmetry.
D
no axis of symmetry.
20

Question text not available

Question illustration
A
36º
B
72º
C
108º
D
180º

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