Polygon Angles

What is the sum of the interior angles of a nonagon (9 sides)?

• 1440°

• 900°

• 1080°

• 1260°

What is the measure of ONE interior angle in a regular pentagon (5-sides)?

• 90°
• 108°
• 120°
• 180°

What is the sum of the interior angles of a triangle?

• 60°

• 90°

• 120°

• 180°

Which formula is used to find the sum of the interior angles of a polygon?

• 180

• 360

• (n-2)180

• n(n-3)/2

Find angle x

• 156^o

• 125^o

• 170^o

• 80^o

Find angle x

• 136^o

• 226^o

• 316^o

• 91^o

What is the measure of ONE interior angle in a regular hexagon (6 sides)?

• 60°

• 80°

• 108°

• 120°

What is the measure of ONE interior angle in a regular hexagon (6 sides)?

• 60°

• 80°

• 108°

• 120°

What is the value of x?

• 26.25

• 38.75

• 24

• 25.125

Find the measureof the sum of the exterior angles in a hexagon

• 360

• 180

• 720

• 540