Symmetries in Shapes

Question 1

Consider the reflectional symmetry of the regular pentagon.

Revolt · Accepted Answer

5

Question 2

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

Revolt · Accepted Answer

18

Question 3

Consider the rotational symmetry of equilateral triangle ABC.

Revolt · Accepted Answer

3

Question 4

Analyze the reflectional symmetry of the letters.

Revolt · Accepted Answer

A and Y

Question 5

Analyze the reflectional symmetry of the letters.

Revolt · Accepted Answer

H and A

Question 6

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

Revolt · Accepted Answer

3

Question 7

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

Question 8

Consider the rotational symmetry of equilateral triangle ABC.

Revolt · Accepted Answer

120°

Question 9

Consider the symmetry of the "no” symbol.

Revolt · Accepted Answer

2-fold

Question 10

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

Symmetries in Shapes Answers