Perpendicular and Angle Bisectors

Front

What is a perpendicular bisector?

Back

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

Front

What is an angle bisector?

Back

A ray that divides an angle into two congruent angles.

Front

If two angles are complementary, what is the sum of their measures?

Back

90 degrees.

Front

If two angles are supplementary, what is the sum of their measures?

Back

180 degrees.

Front

What is the relationship between perpendicular lines?

Back

They intersect at a right angle (90 degrees).

Front

How do you find the length of a segment using the distance formula?

Back

Front

What is the measure of an angle if it is bisected and the original angle is 50 degrees?

Back

25 degrees.

Front

What is the definition of congruent angles?

Back

Angles that have the same measure.

Front

What is the formula for finding the midpoint of a segment?

Back

Front

If angle A measures 30 degrees, what is the measure of its angle bisector?

Back

15 degrees.