Introduction to Quadrilaterals and Their Properties

Quadrilateral Properties

by JANIECE MCCLENDON

​Congruent:

​To have the same size and shape. Two geometrical figures are congruent to one another if one can be transformed into the other by translation, reflection, or rotation.

​Parallel:

​the relationship established between objects (lines, planes, etc) when they are always at the same distance from each other and never meet.

​Perpendicular

​The relationship between two objects (lines, planes, etc) when intersecting at a right angle (90 degrees).

Multiple Choice

A quadrilateral has __ sides and __ angles

• 4 sides and 2 angles

• 2 sides and 4 angles

• 4 sides and 4 angles

• 4 sides and no angles

Multiple Choice

A trapezoid has exactly ___ pair of parallel sides

• 1

• 2

• 3

• 4

Multiple Choice

A parallelogram has opposite sides that are ______ and _______

• perpendicular and parallel

• congruent and parallel

• congruent and perpendicular

Multiple Choice

What shape is this?

• Rhombus

• Circle

• Parallelogram

• Trapezoid

Multiple Select

A square is a __________ and has 4 congruent sides and 4 congruent angles

• quadrilateral

• parallelogram

• rhombus

• rectangle