pd 2 Review, Medians, Altitudes

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. 

What type of point of concurrency is pictured?

• Circumcenter

• Centroid

• Incenter

• Orthocenter

Define: CIRCUMCENTER OF A TRAINGLE

• the intersection point of the three perpendicular bisectors of a triangle 
• when a circle passes through the three vertices of a triangle 
• the point of intersection of three or more lines 
• the intersection point of the three angle bisectors of a triangle 

Define: INCENTER OF A TRIANGLE

• the intersection point of the three angle bisectors of a triangle 
• when three or more lines intersect at a single point 
• the intersection point of the three perpendicular bisectors of a triangle 
• the point of intersection of three or more lines 

Which point is equidistant from the vertices?

• Circumcenter
• Incenter
• Neither
• Bilateral

Which point is equidistant from the sides?

• Circumcenter
• Incenter
• Neither
• Bilateral

Name the point of concurrency shown.

• Circumcenter
• Incenter
• Supercenter
• Neither

Name the point of concurrency shown.

• Circumcenter
• Incenter
• Supercenter
• Neither

1.  If m<LJK = 28°, what is m<MLK?

• 56
• 112
• 62
• 124

Point P is the circumcenter, which segment is equal to PB

• DA
• AC
• PC
• PF