5.1 Bisector and Medians

Please open your GSI (spiral) to the next available page to take notes !

Perpendicular Lines Lines that are at right angles (90°) to each other.

Bisect

To divide into two

equal parts.

You can bisect lines,

angles, and more.!

The dividing line is

called the "bisector"

The altitude of a triangle is a line segment at a right angles to a side and going through the opposite corner.

An angle bisector is a ray whose endpoint is the vertex of the angle and which divides the angle into two congruent angles.

Points on Perpendicular Bisectors Theorem 5.1: Any point on the perpendicular bisector of a segment is _____________________ from the endpoints of the _________________.

Concurrent Lines: _____________ or more lines that intersect at a common _____________

Let’s practice some

Vocabulary

THE END

Please complete your practice 5.1. Have a great day!