Classifying Shapes

Front

What is a parallelogram?

Back

A quadrilateral with both pairs of opposite sides parallel and equal in length.

Front

What is an acute triangle?

Back

A triangle with 3 acute angles.

Front

What type of triangle has one angle larger than 90 degrees?

Back

An obtuse triangle.

Front

What type of triangle has one right angle?

Back

A right triangle.

Front

What is a quadrilateral?

Back

A polygon with four sides.

Front

What is a polygon?

Back

A closed figure with three or more straight sides.

Front

What is a right angle?

Back

An angle that measures exactly 90 degrees.

Front

What is an obtuse angle?

Back

An angle that measures more than 90 degrees but less than 180 degrees.

Front

What is an acute angle?

Back

An angle that measures less than 90 degrees.

Front

How many sides does a triangle have?

Back

Three sides.