Polygons

Front

What is a polygon?

Back

A polygon is a closed shape with straight sides.

Front

What is a square?

Back

A square is a polygon with four equal sides and four right angles.

Front

What is a rectangle?

Back

A rectangle is a polygon with opposite sides equal and four right angles.

Front

What is a rhombus?

Back

A rhombus is a polygon with all sides equal but angles are not necessarily right.

Front

What is a trapezoid?

Back

A trapezoid is a polygon with at least one pair of parallel sides.

Front

What is a triangle?

Back

A triangle is a polygon with three sides.

Front

What is an acute angle?

Back

An acute angle is an angle that is less than 90 degrees.

Front

What is an obtuse angle?

Back

An obtuse angle is an angle that is greater than 90 degrees but less than 180 degrees.

Front

What is a straight angle?

Back

A straight angle is an angle that is exactly 180 degrees.

Front

What is a right angle?

Back

A right angle is an angle that is exactly 90 degrees.