Front

What is a polygon?

Back

A closed shape made up of straight line segments

Front

How many sides does a pentagon have?

Back

5 sides

Front

What is a line segment?

Back

A part of a line with a definite starting and ending point

Front

What is an acute angle?

Back

An angle measuring less than 90 degrees

Front

What are parallel lines?

Back

Lines that never intersect and are always the same distance apart

Front

What is a right angle?

Back

An angle measuring exactly 90 degrees

Front

What is a quadrilateral?

Back

A shape with 4 sides

Front

What is a line of symmetry?

Back

A line that divides a shape into two equal mirror images

Front

What is an obtuse angle?

Back

An angle measuring more than 90 degrees

Front

What is a ray?

Back

A line that starts at a point and goes on forever in one direction