Geometry Review

Front

What is an acute angle?

Back

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

Front

What does it mean for lines to be perpendicular?

Back

Perpendicular lines intersect at a right angle (90 degrees).

Front

What is a rectangle?

Back

A rectangle is a quadrilateral with four right angles.

Front

What is a line of symmetry?

Back

A line of symmetry is a line that divides a figure into two identical halves.

Front

What are parallel lines?

Back

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

Front

How can you identify an acute triangle?

Back

An acute triangle is a triangle where all three angles are acute.

Front

What is the sum of the angles in a triangle?

Back

The sum of the angles in a triangle is always 180 degrees.

Front

What is a quadrilateral?

Back

A quadrilateral is a polygon with four sides.

Front

What is a right angle?

Back

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

Front

What is a straight angle?

Back

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