Triangle Inequality

The sum of the lengths of any two sides of a triangle is _____ than the third side

• less

• greater

• equal

Does the sides 1, 1, 2 make a triangle?

• yes

• no

Does the sides 14, 3, 9 make a triangle?

• yes

• no

The lengths of two sides are given (8, 5). What are the possible length of the third side? Between what two numbers

• Between 5 and 8

• Between 3 and 13

• Between 3 and 5

• Between 5 and 13

If a triangle has the following lengths XZ= 18, XY=4. What is the length of YZ?

• 12

• 4

• 14

• 21

Compare m∠TUW and m∠VUW

• m∠TUW < m∠VUW

• m∠TUW > m∠VUW

• m∠TUW = m∠VUW

Compare PS and SR.

• PS < SR

• PS > SR

• PS = SR

Name the smallest angle in this triangle.

• ∠A
• ∠B
• ∠C

The smallest angle would be located where in a triangle?

• Across from the smallest side.
• Across from the largest side
• Cannot tell

Order the sides from greatest to least

• a , b , c

• b , c , a

• c , b , a

• a , c , b