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.

Tags

CCSS.HSG.CO.C.9

Front

If two angles are congruent, what does that mean?

Back

They have the same measure.

Tags

CCSS.8.G.A.2

Front

What does it mean for a point to be equidistant from two figures?

Back

It is the same distance from both figures.

Tags

CCSS.8.G.A.3

Front

If the measure of angle A is 60 degrees, what is the measure of each angle formed by the angle bisector?

Back

30 degrees each.

Front

What is the relationship between perpendicular lines?

Back

They intersect at a 90-degree angle.

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Front

If line segment AB is bisected at point C, what can we say about AC and CB?

Back

AC = CB.

Tags

CCSS.HSG.CO.A.1

Front

What is the length of segment DC if it is given that DC = 4?

Back

DC = 4.

Tags

CCSS.HSG.CO.A.1

Front

How do you find the measure of an angle if you know the measures of the two angles it is bisecting?

Back

Add the measures of the two angles and divide by 2.

Tags

CCSS.7.G.B.5

Front

What is the definition of congruent segments?

Back

Segments that have the same length.

Tags

CCSS.8.G.A.2