Incenter, Circumcenter, and Centroid properties.

What is the value of x?

• 2

• 24

• -2

• 16

What is the measure of  $\overline{AC}$  

What is the midpoint between (3, -1) and (7, -5)

• (5, -2)
• (10, -6)
• (5, -3)
• (2, -2)

Select every true statement below.

• BC = 10 ft.

• AD = 36 ft.

• BE = 10 ft.

• DE = 36 ft.

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

• Midsegment

• Incenter

• Circumcenter

• Centroid

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. 

If AF = 10x-3, and FC = 8x+3, what is AC?

• 3

• 6

• 27

• 54

The measure of angle DBC is 14^o. What is the measure of angle DBA?

• 7^o

• 14^o

• 28^o

• m∠GHK=80.5,

  m∠KHJ=161

• m∠GHK=161,

  m∠KHJ=80.5

• m∠GHK=80.5,

  m∠KHJ=80.5

• m∠GHK=161,

  m∠KHJ=161