Bisectors in Triangle

Which of the following describes a perpendicular bisector of a triangle?

• A segment that is perpendicular to the side of a triangle at its midpoint.

• A segment with endpoints at the vertex and midpoint of the opposite side.

• A segment that connects two midpoints of two sides.

• A segment that connects the vertex and the opposite side at 90 degrees. 

The dashed line in the figure is an example of a(n) ...

• angle bisector

• perpendicular bisector

• median

• midsegment

The INCENTER is the intersection of which special segments?

• Angle Bisectors

• Perpendicular Bisectors

• Medians

• Altitudes

The point where the 3 perpendicular bisectors of a triangle cross is called the ___?

• Midsegment

• Incenter

• Circumcenter

• Centroid

The figure is an example of a(n) ...

• angle bisector

• perpendicular bisector

• median

• midsegment

What is reason #1?

• Reflexive Property

• Definition of Bisect

• Prove

• Given

What is Reason

• Definition of Midpoint

• Perpendicular Bisector

• Segment Bisector

• Reflexive Property

Find the value of x

• x=28

• x=14

• x=23

• x=46

Point O is the circumcenter of the triangle. Find OB

• OB = 4

• OB = 6

• OB = 5.1

• Not enough information