Geometry Vocabulary

Front

What is a polygon with five sides, angles, and vertices?

Back

Pentagon

Front

What do you call a quadrilateral with two pairs of parallel sides?

Back

Parallelogram

Front

What type of triangle has one angle that measures 90 degrees?

Back

Right triangle

Front

What is a triangle called if all its angles are less than 90 degrees?

Back

Acute triangle

Front

What do you call a quadrilateral with four sides of the same length?

Back

Rhombus

Front

What is a polygon?

Back

A closed figure with three or more straight sides.

Front

What is a quadrilateral?

Back

A polygon with four sides.

Front

What is a trapezoid?

Back

A quadrilateral with at least one pair of parallel sides.

Front

What is an equilateral triangle?

Back

A triangle with all three sides of equal length.

Front

What is an obtuse triangle?

Back

A triangle with one angle greater than 90 degrees.