Symmetry

Question 1

If the smallest angle of rotation for a regular polygon is 18°, how many sides does polygon have?

Revolt · Accepted Answer

20

Question 2

Which figure has an order 3 rotational symmetry?

Revolt · Accepted Answer

equilateral triangle

Question 3

An equilateral triangle with all equal side lengths and angle measures.

Revolt · Accepted Answer

3

Question 4

Which figure has the same order of rotational symmetry as a rectangle?

Revolt · Accepted Answer

rhombus

Question 5

Which letter in the word HAPPY has an order 2 rotational symmetry?

Revolt · Accepted Answer

H

Question 6

Which triangle has 0 reflectional symmetries?

Revolt · Accepted Answer

A triangle has all different side lengths and angle measures.

Question 7

A rhombus has 4 equal sides.

Revolt · Accepted Answer

2

Question 8

Which set of side lengths represents a triangle with 3 lines of reflectional symmetry?

Revolt · Accepted Answer

5, 5, 5

Question 9

A regular polygon has 15 sides. Which is a possible angle of rotational symmetry for the figure?

Revolt · Accepted Answer

72°

Question 10

What is the smallest angle of rotational symmetry for a square?

Revolt · Accepted Answer

90º

Symmetry Answers