7-3 Formulas Involving Polygons

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

• 3960
• 360
• 15
• 4280

Find the value of X.

• 100° 
• 110° 
• 150° 
• 168° 

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

• 180° 
• 540° 
• 720° 
• 1080° 

What is the measure of one interior angle of a regular 45-gon?

• 180°
• 360°
• 172°
• 93°

Find the value of X.

• 60
• 120
• 85
• 55

What is the sum of the exterior angles in a decagon?

• 10
• 360
• 36
• 1440

Find the value of x.

• 138
• 540
• 64
• 128

What is a polygon called if the sum of its interior angles equals 1440° ?

• Octogon
• Nonagon
• Decagon
• Dodecagon

Find the value of x

• 87°
• 54°
• 101°
• 92°

Find the value of x

• 141
• 150
• 135
• 163