Chapter 6 Angles Review Mif

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

• 45°
• 90°
• 180°
• 360°

Find the measure of the angle indicated.

• 139°

• 66°

• 138°

• 116°

What is the formula for one exterior angle in a regular polygon?

• 180(n−2)

• 180(n−2)÷n

• 360

• 360/n

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

• 180

• 360

• 3240

• 162

What is the sum of the interior angles for a      24-gon

• 3960
• 360
• 15
• 4280

What is the number of sides of a regular polygon that has an interior measure of 120? 

• 5
• 6
• 7
• 8

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

• 180
• 360
• (n-2)180
• n(n-3)/2

Solve for x. 

• 90
• 144
• 124
• 170

The sum of the interior angles of a polygon is 3960°. How many sides does the polygon have?

• 12
• 24
• 25
• 13

The figure is a parallelogram.  
Solve for x.  

• 1
• 11
• 7
• 6