Geometry Final Exam Review

Front

What is the definition of a bisector in geometry?

Back

A bisector is a line, ray, or segment that divides an angle or a segment into two equal parts.

Front

What does it mean for points to be collinear?

Back

Collinear points are points that lie on the same straight line.

Front

What does it mean for points to be coplanar?

Back

Coplanar points are points that lie on the same plane.

Front

What is the definition of similar triangles?

Back

Similar triangles are triangles that have the same shape but may differ in size; their corresponding angles are equal and their corresponding sides are proportional.

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 the formula for the sum of the interior angles of a triangle?

Back

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

Front

If ray BD bisects angle ABC, what can be said about the angles formed?

Back

Angle ABD is equal to angle DBC.

Front

What is the definition of a right angle?

Back

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

Front

What is the definition of an acute angle?

Back

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

Front

How do you determine if two angles are complementary?

Back

Two angles are complementary if the sum of their measures is 90 degrees.