Incenter and Circumcenter — Unit test

Question 1

Point Y is the circumcenter of triangle DEF.

Revolt · Accepted Answer

Point Y is the center of the circle that passes through points D, E, and F.

Question 2

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

Revolt · Accepted Answer

10 units

Question 3

Point X is the circumcenter of ΔABC.

Revolt · Accepted Answer

2.5 cm

Question 4

Point A is the incenter of ΔDEF.

Revolt · Accepted Answer

11

Question 5

Point P is the incenter of ΔRST.

Revolt · Accepted Answer

Line segment B P is-congruent-to line segment P C

Question 6

Point Z is the incenter of triangle RST.

Revolt · Accepted Answer

x = 5

Question 7

Point A is inside triangle E D F. Lines are drawn from the points of the triangle to point A. Lines are drawn from point A to the sides of the triangle to form right angles and line segments A L, A M, and A N. The length of A E is 10 and the length of A D is 2 n + 4.

Revolt · Accepted Answer

3

Question 8

Point O is the incenter of triangle ABC.

Revolt · Accepted Answer

75°

Question 9

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

Revolt · Accepted Answer

the circumcenter of a right triangle

Question 10

The figure shows a circle inscribed in a triangle.

Revolt · Accepted Answer

Segments perpendicular to the sides of the triangle through the intersection of the angle bisectors were constructed.

Incenter and Circumcenter — Unit test Answers

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