Bisectors of Triangles | Circumcenters and Incenters
The three angle bisectors 
of a triangle intersect to form 
which point of concurrency?
Midpoint
Incenter
Circumcenter
Circumference
The perpendicular bisectors of the
three sides of a triangle intersect
to form which point of concurrency?
Midpoint
Incenter
Circumcenter
Circumference
Based off the markings, 
what is the name of
point C in the
diagram?
Circumcenter
Incenter
Angle bisector
Perpendicular bisector
Based off the markings,
what is the name of
point P in the
diagram?
Circumcenter
Incenter
Angle bisector
Perpendicular bisector
Which of the 
following is true?
CF = CD = CE
CL = CM = CN
CD = CL = LF
CM = ME = EN
Given the 
following
diagram, which
statement is 
correct?
PX = PY = PZ
PX = PC = CZ
PA = PB = PC
BY = BZ = ZC
AB and CB are
angle bisectors.
Find the following
angle measures.
A
B
m∡DAC =

m∡BAC =
33o
C
50o
D
AB and CB are
angle bisectors.
Find the distance
from B to CD.
A
5.9
3.4
distance =
B
4.2
C
D
C is the circumcenter
of ∆LMN.
Find the
following lengths
LM =

CN = 

ME = 

CM =
3
5
4
12
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