Incenter and Circumcenter Answers
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Which must be true? Select three options
A
Point A is the center of the circle that passes through points D, E, and F.B
Point A is the center of the circle that passes through points X, Y, and Z.C
Line segment Z A is-congruent-to line segment Y A
D
Line segment E A is-congruent-to line segment F A
E
Line segment A X is-congruent-to line segment A Y
3
In the diagram, Z is the circumcenter of triangle TUV.
A
2 unitsB
6 unitsC
8 unitsD
10 units4
Point A is the point of concurrency of the angle bisectors of ΔDEF.
A
ZA = 3cmB
ZA = 4cmC
ZA = 5cmD
ZA = 6cm5
Point A is the incenter of ΔDEF.
A
2 unitsB
9 unitsC
11 unitsD
14 units6
Point Z is the incenter of triangle RST.
A
x = 2B
x = 3C
x = 5D
x = 87
Point H is the circumcenter of ΔJKL.
A
Line segment F H is-congruent-to line segment D H
B
Line segment J F is-congruent-to line segment L H
C
Line segment J H is-congruent-to line segment L H
D
Line segment K F is-congruent-to line segment L D
8
Point Y is the circumcenter of triangle DEF.
A
Point Y is the center of the circle that passes through points D, F, and N.B
Point Y is the center of the circle that passes through points M, N, and E.C
Point Y is the center of the circle that passes through points L, M, and N.D
Point Y is the center of the circle that passes through points D, E, and F.9
Which is the only center point that lies on the edge of a triangle?
A
the incenter of a right triangleB
the incenter of an obtuse triangleC
the circumcenter of a right triangleD
the circumcenter of an obtuse triangle10
Point Y is the circumcenter of ΔDEF.
A
5B
11C
17D
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