Symmetry and Regular Polygons

Is this a line of symmetry?

• Yes

• No

Use your notes: Regular polygons have all ________ sides and angles.

Is this a regular polygon, yes or no?

• yes

• no

How many lines of symmetry does a heptagon have?

• 7

• 14

• 9

• 12

• 5

Which of the following transformations carry this regular polygon onto itself?

• Rotation of 36 degrees counterclockwise

• Rotation of 72 degrees counterclockwise

• Rotation of 90 degrees counterclockwise

• Rotation of 60 degrees counterclockwise

Identify the apothem of this regular pentagon?

A line from the center of a regular polygon at right angles to any of its sides.

• apothem

• radius

• permimeter

• area

Which of the following transformations carry this regular polygon onto itself?

• Rotation of 144 degrees counterclockwise

• Rotation of 120 degrees counterclockwise

• Rotation of 90 degrees counterclockwise

• Rotation of 64 degrees counterclockwise

What is the smallest degree of rotational symmetry?

• 90°

• 45°

• 60°

• 120°

What do you call to a shape that has all equal sides and all equal angles?

• Regular Polygon

• Irregular Polygon

• Regular Polyhedron

• Irregular Polyhedron