Polygons and Parallelograms

What is the sum of the interior angles of a convex heptagon?

• 360^o
• 1260^o
• 900^o
• 128.6^o

An interior angle of a regular polygon measures 135⁰.  How many sides does the polygon have?

• 8
• 6
• 4
• 10

An exterior angle of a regular polygon measures 36°.  How many sides does the polygon have? 

• 10
• 5
• 14
• 45

Find the value of x

• 141
• 150
• 135
• 163

Find the value of x.

• 138
• 540
• 64
• 128

What is the measure of one interior angle in a regular 16-gon?

• 22.5⁰
• 2520⁰
• 157.5⁰
• 360⁰

Find the value of x.

• 37

• 36

• 33

• 30

Which is NOT a property of a parallelogram?

• Diagonals bisect each other
• Diagonals are congruent
• Both pairs of opposite sides are parallel
• Both pairs of opposite angles are congruent

In a parallelogram, consecutive angles are __________.

• congruent
• supplementary
• perpendicular
• parallel

In a parallelogram, diagonals are __________.

• perpendicular
• bisected
• congruent
• parallel