Perpendicular Bisectors (2A)
Circumcenters (2B)
Angle Bisectors (2C)
Incenters (2D)
100
If a point is on the perpendicular bisector of a segment, then it is ________________ to the endpoints of that segment.
equidistant
100
The circumcenter is the point of concurrency of the ______________________________.
The circumcenter is equidistant from the _____________ of a triangle.
perpendicular bisectors ; angles
100
If a point is on the angle bisector of an angle, then the point is ________________ to the sides of the angle.
equidistant.
100
The incenter is the point of concurrency of the _______________________ of a triangle.
The incenter is equidistant from the ___________ of a triangle.
angle bisectors ; sides
200
Find AC.
AC = 27
200
D is the circumcenter. Find UV, VD, and TD.
UV = 152
VD = 90
TD = 90
200
Find m∠CAD and m∠BAC.
m∠CAD = 27°
m∠BAC = 54°
200
Suppose Q is the incenter. Find m∠NKQ, m∠NLQ, and m∠MJP.
m∠NKQ = 34°
m∠NLQ = 22°
m∠MJP = 68°
300
Find XY.
XY = 118
300
D is the circumcenter. Find TC and TU. 
TC = 72
TU = 144
300
Find x.
x = 3
300
Suppose Q is the incenter. Find PQ, NQ, and KN. Round answers to the nearest hundredth. 
PQ = 6
NQ = 6
KN = 18.03
400
Find KL.
KL = 62
400
D is the circumcenter. If UD = 5(3x+4) and
VD = 10x+35, find TD.
TD = 65
400
Find m∠UXW if m∠UVW = 112° .
m∠UXW = 68°
400
Suppose S is the incenter. Find m∠PER and m∠QSR.
m∠PER = 56°
m∠QSR = 128°
500
If BD = 9x + 4, find BC and BD.
BC = 20
BD = 40
500
Suppose G is the circumcenter, EG = 36, AF = 52, and AG = 60. Find FG and EC. Round your answers to the nearest hundredth.
FG = 29.93
EC = 48
500
Find m∠ABC if m∠ABC = 7x - 11. 
m∠ABC = 38°
500
Suppose S is the incenter. SP = 14, GS = 17, m∠PFQ = 94° , m∠RES = 22° . Find m∠REP, QG, and m∠RGS. Round your answers to the nearest hundredth.
m∠REP = 44°
QG = 9.64
m∠RGS = 21°