Triangle Inequality

Can these sides form a triangle? 2, 9, 5

• Yes

• No

Can these sides form a triangle? 6, 4, 4

• Yes

• No

Can these sides form a triangle?

• Yes

• No

Name a possible length for the third side of a triangle with sides 4 and 7.

Name a possible length for the third side of a triangle with sides 11 and 19.

If the measures of 2 sides of a triangle are 57 and 32, what is the LEAST possible measure of the third side if the measure is an integer?

• 25

• 26

• 88

• 89

If the longest side of the triangle was 10. Then the two shorter sides must have a sum that is ....?

• any length

• equal to 10

• greater than 10

• less than 10

Determine if it is possible to form a triangle with the given side lengths. 7 yd, 8 yd, 9 yd

• yes

• no

Which set of side lengths will form a triangle?

• 3, 6, 12

• 7, 7, 14

• 9, 9, 9

• 13, 6, 7

Identify the smallest angle.

• ∠K

• ∠L

• ∠M