Symmetry of Solids — Quiz

Question 1

Which solid has an infinite number of planes of symmetry?

Revolt · Accepted Answer

a cone

Question 2

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?

Revolt · Accepted Answer

90 degrees

Question 3

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

Revolt · Accepted Answer

7

Question 4

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

Revolt · Accepted Answer

plane of symmetry.

Question 5

Which solid has exactly five planes of symmetry?

Revolt · Accepted Answer

Image with description A square prism.

Question 6

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

Revolt · Accepted Answer

rotational symmetry.

Question 7

Which solid has exactly five planes of symmetry?

Revolt · Accepted Answer

Image with description A pentagonal pyramid.

Question 8

Which solid has an infinite number of planes of symmetry?

Revolt · Accepted Answer

Image with description A cylinder.

Question 9

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

Revolt · Accepted Answer

axis of symmetry.

Question 10

Which solid has an infinite number of planes of symmetry?

Revolt · Accepted Answer

a cylinder

Symmetry of Solids — Quiz Answers