Triangles Review

• A
• B
• C
• D

Find the measure of the indicated angle. 

• 89
• 211
• 119
• 81

Two sides of a triangle have side lengths of 17 meters and 12 meters.  Which inequality could be solved to determine the minimum length of the third side?

Find m<A. 

• 12
• 24
• 132
• 36

Which of the following sets of side lengths could produce a triangle. SELECT ALL THAT APPLY.

• 4, 4, 4

• 5, 5, 10

• 3, 6, 9

• 5, 7, 11

• 13, 5, 6

Find the value of x

• 10

• 52

• 9

• 7

Solve for x

• 48

• 85

• 24

• 9

What value of x will make triangle KLM an equilateral triangle if KM = x + 2, LM = 12 – x, and KL = 4x – 13.

• 2

• 3

• 4

• 5

Triangle DEF is isosceles, angle D is the vertex angle, DE = x + 7, DF = 3x – 1, and EF = 2x + 5.

Find the value of x.

(Hint: draw a picture)

• 2

• 4

• 6

• 8

If m∠AYZ=130°, m∠WXB=73°, and m∠ACB=65°, find m∠ABC.

• m∠ABC=30°

• m∠ABC=58°

• m∠ABC=57°

• m∠ABC=73°