Geometry Vocabulary

Front

Polygon

Back

A shape with at least 3 straight sides.

Front

Quadrilateral

Back

A shape with 4 straight sides.

Front

Parallelogram

Back

A shape with 2 sets of parallel sides.

Front

Trapezoid

Back

A quadrilateral with one set of parallel sides.

Front

Hexagon

Back

A shape with 6 sides.

Front

Pentagon

Back

A shape with 5 sides.

Front

Octagon

Back

A shape with 8 sides.

Front

Isosceles

Back

triangle with at least 2 congruent sides

Front

scalene

Back

no congruent sides

Front

equilateral

Back

all 3 congruent sides