Classifying Polygons Vocabulary

Front

What is a polygon?

Back

A flat, two-dimensional figure with no rounded edges and it is closed with no openings.

Front

What is an equilateral triangle?

Back

A triangle with all 3 sides that match in length.

Front

What is a trapezoid?

Back

A quadrilateral with at least one pair of parallel sides.

Front

What is a scalene triangle?

Back

A triangle with all sides of different lengths.

Front

What is an isosceles triangle?

Back

A triangle with two sides that are the same length.

Front

What is a rhombus?

Back

A quadrilateral with all sides the same length.

Front

What is a quadrilateral?

Back

A polygon with four sides.

Front

What is a vertex?

Back

A point where two sides of a polygon meet.

Front

What is a side of a polygon?

Back

A straight line that forms part of the boundary of a polygon.

Front

What is a regular polygon?

Back

A polygon with all sides and angles equal.