Geometry and Measurement Concepts

Front

Polygon

Back

A closed shape with straight sides.

Front

Triangle

Back

Three-sided shape.

Front

Equilateral

Back

All sides/angles are equal.

Front

Isosceles

Back

Two equal sides/angles.

Front

Scalene

Back

No equal sides or angles.

Front

Right-angled

Back

One 90° angle.

Front

Quadrilateral

Back

A four-sided shape.

Front

Parallelogram

Back

Opposite sides are equal and parallel.

Front

Rectangle

Back

Four right angles.

Front

Square

Back

All sides are equal, with four right angles.