Angles in Polygons

What is the formula for the sum of the interior?

• S=360
• S=(n-2)180
• n=360/ext. angle
• 1 int. angle + 1 ext. angle=180

Tags

CCSS.7.G.B.5

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.4.MD.C.7

Find the value of X

• 94
• 25
• 36
• 180

Tags

CCSS.7.G.B.5

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

• 90°
• 108°
• 120°
• 180°

Tags

CCSS.7.G.B.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

How many of the following polygons are CONCAVE?

• All are concave
• 1 is concave
• 2 are concave
• None are concave

Tags

CCSS.4.G.A.2

What is the SUM of the EXTERIOR angles of a hexagon?

• 360
• 120
• 60
• 720

Find the value of y.

• 125
• 135
• 140
• 110

Tags

CCSS.7.G.B.5