Intro to Polygons Quiz A

A decagon has how many sides??

• 11

• 10

• 9

• 12

Identify the polygon shown above.

• hexagon

• heptagon

• octagon

• decagon

The sum of all the angles inside of a triangle equals how many degrees?

The sum of all the angles in a quadrilateral are how many degrees?

Calculate the measure of angle x.

• 75

• 85

• 100

• 110

What is the measure of each interior angle of this regular polygon?

What is the sum of the exterior angles of a decagon?

• 144 

• 1440 

• 360 

• 180 

What is the value of x?

Which property is true of a parallelogram?

• Opposite angles are supplementary

• Consecutive (same side) angles are supplementary.

• All parallelograms are regular polygons.

• All sides are congruent.

The opposite angles and opposite sides of a parallelogram are ...

• complementary
• congruent
• supplementary
• perpendicular