Perpendicular Bisectors and Voronoi Diagrams

Find BC.

• BC = 4

• BC = 16

• BC = 12

• BC = 24

Find the length of AD

• 2
• 4
• 6
• 8

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) ...

• altitude 
• perpendicular bisector
• midsegment
• angle bisector

Identify the center.

• Circumcenter

• Incenter

• Centroid

• Orthocenter

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

This triangle has...

• Altitudes
• Perpendicular Bisectors 
• Midsegments
• Medians

Based on the markings, which segment represents a perpendicular bisector?

• Segment BA

• Segment CF

• Segment DE

• segment BG

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.