Geometry

Front

What is a polygon?

Back

A polygon is a closed figure made up of straight line segments. Examples include triangles, quadrilaterals, and pentagons.

Front

Which shape is not a polygon?

Back

A semicircle is not a polygon because it has curved edges.

Front

What are angles that measure less than 90 degrees called?

Back

Acute angles.

Front

What type of quadrilaterals are trapezoids?

Back

Some quadrilaterals are trapezoids.

Front

Which quadrilateral has only one pair of parallel sides?

Back

A trapezoid.

Front

What is the name of a polygon with eight sides?

Back

An octagon.

Front

What is a triangle?

Back

A triangle is a polygon with three sides.

Front

What is a quadrilateral?

Back

A quadrilateral is a polygon with four sides.

Front

What do you call a polygon with five sides?

Back

A pentagon.

Front

What is the sum of the interior angles of a triangle?

Back

The sum is 180 degrees.