Bisectors and Midsegments

What is the intersection of three perpendicular bisectors called?

• Circumcenter

• Incenter

• Supercenter

• Neither

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

• angle bisector

• perpendicular bisector

• median

• midsegment

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

• altitude 

• perpendicular bisector

• midsegment

• angle bisector

Find the measure of the x (midsegment):

• 25

• 9

• 12

• 15

Find the length of the midsegment.

• 26

• 20

• 12

• 8

• m∠GHK=26, m∠KHJ=26
• m∠GHK=26, m∠KHJ=52
• m∠GHK=52, m∠KHJ=52
• m∠GHK=52, m∠KHJ=26

In trapezoid ABCD with AB parallel to CD and midsegment EF drawn, DC = 16, EF = 3x and AB = 4x + 20. Find AB.

Mathematical Equivalence

OFF

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

• altitude 

• perpendicular bisector

• midsegment

• angle bisector

What is the blue line shown?

• median

• angle bisector

• perpendicular bisector

• altitude

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

• Midsegment

• Incenter

• Circumcenter

• Centriod