Polygons and Diagonals

What is the order of rotational symmetry for the following shape, and what is angle of rotational symmetry?

• Order of 5, and the angle of rotational symmetry is 60 degrees

• Order of 6, and the angle of rotational symmetry is 80 degrees

• Order of 6, and the angle of rotational symmetry is 60 degrees

• Order of 5, and the angle of rotational symmetry is 72 degrees

What is the order of rotational symmetry for the following shape, and what is angle of rotational symmetry?

• Order of 8, and the angle of rotational symmetry is 50 degrees

• Order of 8, and the angle of rotational symmetry is 45 degrees

• Order of 7, and the angle of rotational symmetry is 51 degrees

• Order of 7, and the angle of rotational symmetry is 45 degrees

What is the order of rotational symmetry for the following shape, and what is angle of rotational symmetry?

• Order of 3, and the angle of rotational symmetry is 90 degrees

• Order of 5, and the angle of rotational symmetry is 72 degrees

• Order of 4, and the angle of rotational symmetry is 120 degrees

• Order of 4, and the angle of rotational symmetry is 90 degrees

What is the order of rotational symmetry for the following shape, and what is angle of rotational symmetry?

• Order of 10, and the angle of rotational symmetry is 36 degrees

• Order of 9, and the angle of rotational symmetry is 40 degrees

• Order of 10, and the angle of rotational symmetry is 40 degrees

• Order of 9, and the angle of rotational symmetry is 36 degrees

How many lines of symmetry and diagonals does the following shape have?

• 5 lines of symmetry, and 0 diagonals

• 3 lines of symmetry, and 5 diagonals

• 5 lines of symmetry, and 5 diagonals

• 2 lines of symmetry, and 3 diagonals

How many lines of symmetry and diagonals does the following shape have?

• 4 lines of symmetry, and 4 diagonals

• 2 lines of symmetry, and 0 diagonals

• 4 lines of symmetry, and 2 diagonals

• 2 lines of symmetry, and 4 diagonals

What is the name of the segment that connects two nonconsecutive vertices of a polygon?

• Angle

• Diagonal

• Side

• Vertices

What is the formula of finding the number of diagonals in a polygon?

Which formula represents how to find the interior angle sum of any polygon?

• (number of sides - 2) x 180

• (number of sides + 2) x 180

• number of sides x 180

• number of sides x 360

What is the SUM of the angle measures in a nonagon (9 sides)?

• 1440°

• 900°

• 1080°

• 1260°