Geometry Vocabulary

Front

What is a right angle?

Back

An angle that measures exactly 90 degrees.

Front

What are collinear points?

Back

Points that lie on the same straight line.

Front

List the sides of a triangle from largest to smallest given sides KJ, KH, JH.

Back

JH, KH, KJ.

Front

What is an angle bisector?

Back

A line that divides an angle into two equal parts.

Front

What are supplementary angles?

Back

Two angles whose measures have a sum of 180 degrees.

Front

What is an obtuse angle?

Back

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

Front

What is an acute angle?

Back

An angle that measures less than 90 degrees.

Front

What is a straight angle?

Back

An angle that measures exactly 180 degrees.

Front

What is a perpendicular bisector?

Back

A line that divides a segment into two equal parts at a 90-degree angle.

Front

What are congruent angles?

Back

Angles that have the same measure.