Triangle Inequality Theorem

Do the following side lengths form a triangle?
2 inches, 2 inches, 4 inches

• Yes
• No

Can the following side measures form a triangle?
  4 cm, 7 cm, 10 cm 

• Yes
• No

9. Which of these lengths CANNOT represent the sides of a triangle?

• 32, 34, 60
• 28, 30, 58
• 13, 20, 27
• 2, 4, 5

In triangle ABC, the length of side AB is 10 inches and the length of side BC is 17 inches.  Which of the following could be the length of side AC?

• 16 inches
• 5 inches
• 32 inches
• 29 inches

List the side measures in order, shortest to longest.

• QM, QP, MP
• MQ, MP, QP
• MP, MQ, QP

Identify the longest side measure.

• AC
• BA
• BC

Identify the smallest angle.

• ∠A
• ∠B
• ∠C

List the angles in order by measure, smallest to largest.

• ∠B, ∠A, ∠C
• ∠A∠,B, ∠C
• ∠A, ∠C, ∠B