Properties of Polygons and Quadrilaterals

Which of the following properties is true about squares?

• Four congruent sides.

• Exactly one diagonal bisects a pair of opposite angles.

• Exactly one pair of parallel sides.

The diagonals of a parallelogram

• are always congruent

• bisect each other

• are never congruent

• parallel

Which of the following properties is true about rectangles?

• Four congruent sides.

• Four right angles.

• Diagonals bisect opposite angles.

Solve for x.

• 80

• 110

• 17

• 60

The sum of the exterior angles of a polygon is __________________.

• 360

• n

• (n - 2)180

• (n - 1)180

How do the interior and exterior angles of a polygon relate?

• They are complementary

• They are congruent

• They are supplementary

• They have no relationship

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

• 8

• 6

• 4

• 10

Consecutive angles in a parallelogram must be

• congruent

• complementary

• supplementary

• opposite

An unknown quadrilateral has these points:

A(0,-3)

B(6,-3)

C(9,1)

D(3,1)

Based on your discoveries about the slopes of the sides, can this shape be a parallelogram?

• Yes

• No

The diagonals of a rectangle (select 2 answers)

• bisect each other

• bisect opposite angles

• are congruent

• are perpendicular