WOLFRAM|DEMONSTRATIONS PROJECT

Classifying Quadrilaterals

quadrilaterals allowed:

all

The quadrilateral is a square.

AB

≈

1

BC

≈

1

CD

≈

1

AD

≈

1

ABC

≈

90.00°

BCD

≈

90.00°

CDA

≈

90.00°

DAB

≈

90.00°

This Demonstration classifies quadrilaterals.

quadrilateral	sidelengthscongruent?	oppositesidesparallel?	angles
simple
concave			onegreaterthan180°
trapezoid		exactlyonepair
parallelogram	eachpairofoppositesides	bothpairs	oppositeanglescongruent
rhombus	allfoursides	bothpairs	oppositeanglescongruent
rectangle	eachpairofoppositesides	bothpairs	all90°
square	allfoursides	bothpairs	all90°