Perpendicular and Angle Bisectors

Front

What are perpendicular lines?

Back

Lines that intersect at a right angle (90 degrees).

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Front

What is a perpendicular bisector?

Back

A line that divides a segment into two equal parts at a right 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

How do you find the measure of an angle when given its bisector?

Back

The measure of the angle is divided equally by the angle bisector.

Front

What is the relationship between perpendicular lines and angles?

Back

Perpendicular lines create four right angles at the point of intersection.

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Front

If two lines are perpendicular, what is the sum of the angles formed?

Back

The sum of the angles formed is 360 degrees.

Front

What is the midpoint of a segment?

Back

The point that divides the segment into two equal lengths.

Tags

CCSS.HSG.GPE.B.6

Front

How do you determine if two lines are perpendicular using slopes?

Back

Two lines are perpendicular if the product of their slopes is -1.

Tags

CCSS.8.EE.B.6

Front

What is the definition of adjacent angles?

Back

Angles that share a common side and vertex but do not overlap.

Tags

CCSS.7.G.B.5

Front

What is the definition of opposite angles?

Back

Angles that are across from each other when two lines intersect.

Tags

CCSS.7.G.B.5