Line Segments in Triangles

Point O is the circumcenter of the triangle. Find OB

• OB = 4

• OB = 6

• OB = 5.1

• Not enough information

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 CIRCUMCENTER is the intersection of which special segments?

• Angle Bisectors

• Perpendicular Bisectors

• Medians

• Altitudes

Which segment is the line that is perpendicular from the vertex to the opposite side?

• Altitude

• Median

• Angle Bisector

• Perpendicular Bisector

Which segment goes from the vertex to the midpoint of the opposite side?

• Median

• Altitude

• Angle Bisector

• Perpendicular Bisector

What kind of segment is PR?

• Angle Bisector

• Perpendicular Bisector

• Median

• Altitude

The medians all meet at this concurrent point:

• Centroid

• Orthocenter

• Incenter

• Circumcenter

Which segment is perpendicular to the base AND bisects the base?

• Perpendicular Bisector

• Angle Bisector

• Median

• Altitude

This picture is of which concurrent point?

• Circumcenter

• Incenter

• Centroid

• Orthocenter