Properties of Quadrilaterals

A rhombus is a parallelogram with 

• four congruent sides
• four congruent diagonals
• four acute angles
• four congruent angles

The diagonals of a parallelogram

• are always congruent
• bisect each other
• are never congruent
• parallel

A rectangle is a parallelogram with 

• four congruent sides
• four congruent diagonals
• four acute angles
• four congruent angles

The diagonals of a rectangle are

• parallel
• congruent
• perpendicular
• not congruent

The opposite sides of a parallelogram are

• congruent
• perpendicular
• skew
• supplementary

Which is NOT a property of all parallelograms?

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

A parallelogram is a quadrilateral.

• Always
• Sometimes
• Never

Name the quadrilateral that has this property:  All angles are congruent.

• Parallelogram
• Rectangle
• Rhombus
• Isosceles Trapezoid

What is the value of x?

• 4
• 360
• 12
• 6

Which set of sides would make a right triangle?

• 4,5,6
• 8,10,12
• 5,12,13
• 5,10,12