Medians and Circumcenter

Define: CIRCUMCENTER OF A TRIANGLE

• the point of intersection 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

Which of the images represents the Circumcenter of a Triangle

• First
• Second
• Third

Name the point of concurrency shown.

• Circumcenter
• Incenter
• neither
• Pokecenter

Name the point of concurrency shown.

• Circumcenter
• Incenter
• Supercenter
• Neither

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

• altitude 
• perpendicular bisector
• midsegment
• angle bisector

Find the length of PO.

• 32
• 35
• 26
• 29

Point Z is the circumcenter of ΔRST. What is TZ?

• 3

• 5

• 4

• 6

Point P is the circumcenter. Which segment is congruent to PB?

• DA

• AC

• PC

• PF

Use the Perp Bisector Theorem to find the length of AD

• 2

• 4

• 6

• 8

D is the circumcenter, find ED

• 15
• 16
• 17
• 19