Incenter and Circumcenter

Question 1

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

Revolt · Accepted Answer

the circumcenter of a right triangle

Question 2

Point H is the circumcenter of ΔJKL.

Revolt · Accepted Answer

Line segment J H is-congruent-to line segment L H

Question 3

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

Revolt · Accepted Answer

ZA = 3cm

Question 4

Point Z is the incenter of triangle RST.

Revolt · Accepted Answer

x = 5

Question 5

Point A is the incenter of ΔDEF.

Revolt · Accepted Answer

9 units

Question 6

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

Revolt · Accepted Answer

10 units

Question 7

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 8

Point O is the incenter of triangle ABC.

Revolt · Accepted Answer

75°

Question 9

Point X is the circumcenter of ΔABC.

Revolt · Accepted Answer

2.5 cm

Question 10

The figure shows a circle circumscribed around a triangle.

Revolt · Accepted Answer

perpendicular bisectors of the sides of the triangle

Incenter and Circumcenter Answers