Symmetries in Shapes — Quiz

Question 1

What kind of reflectional symmetry does the symbol have?

Revolt · Accepted Answer

2-fold

Question 2

A regular polygon first maps directly onto itself after rotating 120 degrees. How many sides does the polygon have?

Revolt · Accepted Answer

3

Question 3

A regular polygon first maps directly onto itself after rotating 22.5 degrees. How many sides does the polygon have?

Revolt · Accepted Answer

16

Question 4

For which shape is 180 degrees the smallest angle of rotational symmetry?

Revolt · Accepted Answer

Image with description A block figure that looks like a circle with a diagonal line through it. There is a dot in the center.

Question 5

A regular polygon first maps directly onto itself after rotating 20 degrees. How many sides does the polygon have?

Revolt · Accepted Answer

18

Question 6

Which diagram represents a line of symmetry for the seven-point star?

Revolt · Accepted Answer

Image with description A regular 14-sided figure with 7 interior reflex angles and 7 interior acute angles. There is a dashed line through the top left interior reflex angle and the bottom right interior acute angle.

Question 7

Analyze the reflectional symmetry of the polygons labeled A, B, C, and D. Expand Image Which polygons have fewer than two lines of symmetry?

Revolt · Accepted Answer

A and C

Question 8

For which shape is 45 degrees the smallest angle of rotational symmetry?

Revolt · Accepted Answer

Image with description A block figure that looks like a sun. It is a circle wit 8 triangles surrounding it to look like sun rays. There is a dot in the center.

Question 9

How many lines of symmetry does the pentagon have?

Revolt · Accepted Answer

5

Question 10

Which letter has no lines of symmetry?

Revolt · Accepted Answer

N

Symmetries in Shapes — Quiz Answers

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