Topic 5 Relationships in Triangles

Is DE 1/2 the length of BC?

• Yes

• No

Point T is the incenter of the triangle. Find the length of RU to the nearest tenth.

• 20.1

• 12

• 17.3

• 18.4

Find the value of x

• x=28

• x=14

• x=23

• x=46

Point O is the circumcenter of the triangle. Find OB

• OB = 4

• OB = 6

• OB = 5.1

• Not enough information

Which line is an angle bisector?

• XY

• BY

• AZ

• XC

Which line is a perpendicular bisector?

• XY

• BY

• AZ

• XC

What is the length of DC

• 4

• 1

• 2

• 3

PQ is the perpendicular bisector of MN. What is QN?

• 7

• 14

• 10.5

• 28

What is this point of concurrency?

• Circumcenter

• Orthocenter

• Centroid

• Incenter

The circumcenter and orthocenter can be outside the triangle if the triangle is ...

• obtuse

• acute

• iscolese

• right