6B Sum of Interior Angles of Polygons

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

• 60°
• 90°
• 120°
• 180°

Tags

CCSS.8.G.A.5

What do the angles in an equilateral triangle measure?

• 30, 60, 90
• 45, 45, 90
• 60, 60, 60
• 35, 55, 90

Tags

CCSS.8.G.A.5

The Triangle Sum Theorem states that the sum of all angles in a triangle is ______. 

• 45°
• 90°
• 180°
• 360°

Tags

CCSS.8.G.A.5

The Triangle Sum Theorem deals with _______ of a triangle

• angles
• sides

Tags

CCSS.8.G.A.5

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

• 1440°
• 900°
• 1080°
• 1260°

Tags

CCSS.7.G.B.5

CCSS.7.G.B.6

Find the value of X.

• 100
• 120
• 125
• 130

Tags

CCSS.7.EE.B.4

CCSS.7.EE.B.3

Find the measure of each angle indicated. 

• 139°
• 66°
• 138°
• 116°

Tags

CCSS.8.G.A.5

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

Tags

CCSS.7.G.B.6

Find the value of x.

• 110

• 90

• 130

• 120

Tags

CCSS.7.G.B.5

The sum of the interior angles in a polygon is 3,240^o.  How many sides are in the polygon?

• 10
• 582,840
• 18
• 20

Tags

CCSS.7.G.B.6