AnswersAZ-Geometry A MA201Triangles and Their Side Lengths

Incenter and Circumcenter Answers

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Point A is the point of concurrency of the angle bisectors of ΔDEF.

Question illustration
A
ZA = 3cm
B
ZA = 4cm
C
ZA = 5cm
D
ZA = 6cm
2
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Point G is the incenter of the triangle.

Question illustration
A
4
B
8
C
24
D
32
3

The figure shows a circle circumscribed around a triangle.

Question illustration
A
perpendicular segments to the vertices of the triangle
B
perpendicular bisectors of the sides of the triangle
C
angle bisectors of each angle of the triangle
D
the incenter of the triangle
4

Point A is the incenter of ΔDEF.

Question illustration
A
7
B
11
C
14
D
15
5

Point O is the incenter of triangle ABC.

Question illustration
A
30°
B
60°
C
75°
D
90°
6

In the diagram, Z is the circumcenter of triangle TUV.

Question illustration
A
2 units
B
6 units
C
8 units
D
10 units
7

The figure shows a circle inscribed in a triangle.

Question illustration
A
A circle was constructed using the intersection of the angle bisectors as the center of the circle and the obtuse vertex as a point on the circumference of the circle.
B
A circle was constructed using a vertex as the center of the circle and the intersection of the angle bisectors as a point on the circumference of the circle.
C
Segments perpendicular to the sides of the triangle through the intersection of the angle bisectors were constructed.
D
Segments bisecting each side of the triangle were constructed through the intersection of the angle bisectors.
8

Point A is the incenter of ΔDEF.

Question illustration
A
2 units
B
9 units
C
11 units
D
14 units
9

Which is the only center point that lies on the edge of a triangle?

A
the incenter of a right triangle
B
the incenter of an obtuse triangle
C
the circumcenter of a right triangle
D
the circumcenter of an obtuse triangle
10

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
Option C
D
Line segment E A is-congruent-to line segment F A
Option D
E
Line segment A X is-congruent-to line segment A Y
Option E
11

Point Y is the circumcenter of triangle DEF.

Question illustration
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.
12

Point X is the circumcenter of ΔABC.

Question illustration
A
1.5 cm
B
2 cm
C
2.5 cm
D
3 cm

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Incenter and Circumcenter Answers — AZ-Geometry…