Interior/Exterior Angles of Polygons

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 SUM of the angle measures in a hexagon (6 sides)?

• 720°
• 1080°
• 600°
• 540°

Tags

CCSS.7.G.B.5

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 hexagon (6 sides)?

• 60°
• 80°
• 108°
• 120°

Tags

CCSS.HSG.CO.D.13

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

• 15°
• 30°
• 60°
• 90°

Tags

CCSS.4.MD.C.5

CCSS.4.MD.C.6

Find the value of X.

• 90° 
• 98° 
• 100° 
• 115° 

Tags

CCSS.7.G.B.5

Find the value of x

• 141
• 150
• 135
• 163

Tags

CCSS.7.G.B.5

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

• 180(n−2)
• 180(n−2)÷n
• 360
• 360/n

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.7.G.B.6

Find the measure of the indicated angle. 

• 89
• 211
• 119
• 81

Tags

CCSS.8.G.A.5