Parts of a Triangle

The figure is an example of a(n) ...

• median

• altitude

• midsegment

• angle bisector

QR is a midsegment of triangle BCD. Solve for the value of x.

• 11

• 18

• 9

• -7

Solve for x.

• x = 2

• x = -1

• x = 1

• x = 5

Find the value of x

• 14.7

• 49.5

• 22

• 18

Find the value of x

• 11.1

• 16

• 36

• 25

Find the value of x

• 14.4

• 10

• 15.625

• 12.5

Solve for x.

• x = 5

• x = 3

• x = 14

• x = 1

Name the corresponding angle or side.

• A

• B

• C

• D

What is the measure of angle A in the triangle?

• 116*

• 25*

• 62*

• 54*

What is the measure of <ACD?

• 51º

• 121º

• 101º

• 39º