Polygons and Quadrilaterals in the Coordinate Plane

The sum of the interior angles of a polygon is 1620°.  How many sides does the polygon have?

• 8
• 11
• 3
• 16

Solve for x

• 45
• 12
• 90
• 2

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

• 180(n−2)
• 180(n−2)÷n
• 360
• 360/n

Solve for x

• 80
• 110
• 17
• 60

Solve for x

• 45
• 12
• 90
• 2

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

• 4860
• 4500
• 3700
• 2700

Find the exterior angle on a regular polygon with 40 sides...

• 9^o

• 8^o

• 171^o

• 172^o

Find the interior angle on a regular polygon with 5 sides...

• 72^o

• 108^o

• 60^o

• 120^o

Solve for x

• 112
• 116
• 90
• 244

Find the measurement indicated in each parallelogram.

• $41\degree$

• $85\degree$

• $105\degree$

• $65\degree$