Angles in Polygons

What is the name of a 7 sided polygon?

• hexagon
• heptagon
• octagon
• nonagon

Tags

CCSS.2.G.A.1

Two angles that add up to 180 degrees are called _____________ ______.

• right angles
• corresponding angles
• complementary angles
• supplementary angles

Tags

CCSS.7.G.B.5

Perpendicular lines form a ____________

• 45 degree angle
• 90 degree angle
• 100 degree angle
• 180 degree angle

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

What is the formula for the sum of interior angles in a polygon?

• 180(n−2)
• 180(n−2)÷n
• 360
• 360/n

Tags

CCSS.HSG.CO.C.10

What is the SUM of the angle measures in a triangle (3 sides)?

• 60°
• 90°
• 120°
• 180°

Tags

CCSS.8.G.A.5

What is the measure of ONE interior angle in a regular triangle (3 sides)?

• 15°
• 30°
• 60°
• 90°

Tags

CCSS.HSG.CO.C.10

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

• 1440°
• 900°
• 1080°
• 1260°

Tags

CCSS.7.G.B.6

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

• 90°
• 108°
• 120°
• 180°

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

• 60°
• 80°
• 108°
• 120°

Tags

CCSS.4.MD.C.5

CCSS.4.MD.C.7

What is the sum of the exterior angles of a 20-gon?

• 180°

• 360°

• 3240°

• 162°