Interior Degrees in a Polygon

Find the sum of the interior of angles in a 12-gon

• 1800

• 1080

• 1620

• 1260

Find the value of X.

• 60

• 120

• 85

• 55

Three of the angles in a quadrilateral have a sum of 252^o.  What is the measure of the fourth angle?

• 108^o

• 360^o

• 72^o

• 56^o

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

• 3960

• 360

• 15

• 4280

Find the value of y.

• 110

• 90

• 130

• 120

Find x.

• 120 degrees

• 210 degrees

• 211 degrees

• 121 degrees

What is the SUM of the angle measures in a DECAGON (10 sides)?

• 1440°

• 900°

• 1080°

• 1260°

What is the measure of ONE interior angle of a regular 20-gon?

• 90

• 146

• 162

• 122

Find the value of X.

• 100° 

• 110° 

• 150° 

• 168° 

What is the sum of interior angles for a 27-gon?

• 4860

• 4500

• 3700

• 2700