Polygons Review

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

• 180
• 360
• 3240
• 162

Calculate the sum of the interior angle measures of a polygon with 25 sides.

• 360 degrees
• 4500 degrees
• 335 degrees
• 4140 degrees

Find the value of x

• 87°
• 54°
• 101°
• 92°

Find the value of x

• 141
• 150
• 135
• 163

Find the value of x

• x = 88

• x = 176

• x = 90

• x = 174

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

Find the number of sides of a polygon with one exterior angle measuring 6⁰.

• 60
• 30
• 20
• 10

A polygon's interior angles add up to 2700.  How many sides does the polygon have?

• 17
• 15
• 19
• 11

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