Parallelograms and Polygons

If the sum of the interior angles of a polygon equals 900°, how many sides does the polygon have? 

• 7
• 9
• 10
• 12

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

• Octogon
• Nonagon
• Decagon
• Dodecagon

What is the value of x?

• 26.25
• 38.75
• 24
• 25.125

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

• 10
• 5
• 14
• 9

Find the value of x

• 141
• 150
• 135
• 163

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

The opposite angles of a parallelogram are ...

• complementary
• congruent
• supplementary
• perpendicular

In a parallelogram, consecutive angles are __________.

• congruent
• supplementary
• corresponding
• parallel

In a parallelogram, diagonals are __________.

• perpendicular
• bisected
• congruent
• parallel

Which shape is NOT a type of parallelogram?

• trapezoid
• rectangle
• rhombus
• square