Geometry

Front

What is a line segment?

Back

A line segment is a part of a line that has two endpoints.

Front

What are parallel lines?

Back

Parallel lines are lines that never meet and are always the same distance apart.

Front

What is a right angle?

Back

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

Front

What is an acute angle?

Back

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

Front

What is an obtuse angle?

Back

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

Front

What is symmetry?

Back

Symmetry is when one half of an object is a mirror image of the other half.

Front

What is a line of symmetry?

Back

A line of symmetry is a line that divides a shape into two identical parts.

Front

What is a polygon?

Back

A polygon is a closed figure made up of straight line segments.

Front

What is a triangle?

Back

A triangle is a polygon with three sides and three angles.

Front

What is a quadrilateral?

Back

A quadrilateral is a polygon with four sides and four angles.