Properties of Quadrilaterals

Quadrilateral

Trapezoid Parallelogram

Isosceles Trapezoid

Rhombus Rectangle

Quadrilateral Tree

Kite

Square

Trapezoid A quadrilateral with ONE pair of

Parallel sides.

b1 - base one

b2 - base two

Trapezoid This is also a trapezoid. The bases are going up and down.

b1 - b

ase

on

e

b2

- base

two

Isosceles Trapezoid A trapezoid with congruent sides

b1 - base one

b2 - base two

leg leg

Parallelogram A quadrilateral with TWO pairs of

parallel sides

Rhombus A parallelogram with 4 congruent

sides

Rectangle A parallelogram with 4 right angles

Square A parallelogram with 4 congruent

sides and 4 right angles

2 pairs of consecutive sides are congruent

Kite

Paper FoldingFold the diagonals of each Parallelogram.

•Measure the angles of the parallelogram

•Measure the angles formed by the diagonals

•Measure the angles where the diagonals intersect

•Measure the diagonals

•Measure the diagonals from the vertex to the intersection

Parallelogram - Angles

Angle

Angle

Angle

Angle

AngleAngle

Angle

Rhombus

This is a : quadrilateral parallelogram rhombus

Rectangle

This is a : quadrilateral parallelogram rectangle

Square

This is a : quadrilateral parallelogram rectangle rhombus square