Geometry Review

Front

What is a right angle?

Back

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

Front

What are perpendicular lines?

Back

Perpendicular lines are lines that cross or meet to form a right angle.

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 an acute angle?

Back

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

Front

What are parallel lines?

Back

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

Front

What is a line segment?

Back

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

Front

What is a ray?

Back

A ray is a part of a line that has one endpoint and extends infinitely in one direction.

Front

How do you find the value of x in an angle equation?

Back

You can find the value of x by using the properties of angles, such as the sum of angles in a triangle or the relationships between complementary and supplementary angles.

Front

What is the sum of angles in a triangle?

Back

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

Front

What are straight lines?

Back

Straight lines are lines that do not curve and extend infinitely in both directions.