Angles of Polygons

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

• S= (n-2)180
• S= (n-180)2
• S= (n-2)180/n
• S= (n - 180)2/n

What is the SUM of the angle measures in a triangle?

• 60°
• 90°
• 120°
• 180°

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

• 3960
• 360
• 15
• 4280

Find the measure of angle E.

• 9
• 97°
• 48°
• 79°

Solve for x. 

• 100
• 120
• 125
• 130

• 94

• 124

• 90

Find the angle sum of the interior angles of the polygon.

• 180° 
• 540° 
• 720° 
• 1080° 

Find the missing angle.

• 75
• 85
• 100
• 45

Find the measure of the angle x.

• 105
• 115
• 65
• 75

Solve for x

• 112
• 116
• 90
• 244