Understanding Quadrilaterals

Front

Definition of Quadrilateral

Back

Four-sided polygon

Front

Sum of Interior Angles

Back

360 degrees

Front

Types of Quadrilaterals

Back

Square, Rectangle, Rhombus, etc.

Front

Square

Back

All sides equal, angles 90°

Front

Rectangle

Back

Opposite sides equal, angles 90°

Front

Rhombus

Back

All sides equal, opposite angles equal

Front

Parallelogram

Back

Opposite sides parallel and equal

Front

Trapezoid

Back

One pair of parallel sides

Front

Kite

Back

Two pairs of adjacent equal sides

Front

Diagonal of a Quadrilateral

Back

Line segment joining two non-adjacent vertices