Find the Triangle Length of an Inequality

Which of the following could be the third side of a triangle with sides 5.2 and 7.2? Check all that apply.

• 21

• 2

• 9

• 12.4

• 11

Which of the following could NOT be the third side of a triangle with sides 35 and 14? Check all that apply.

• 21

• 48

• 26

• 35

• 14

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

Will these line segments form a triangle?

• yes

• no

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

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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

Identify the shortest side measure.

• QP

• QM

• MP

The lengths of two sides of a triangle are 38 and 45. Write an inequality to express the possible lengths of x, the third side of the triangle.

Write an inequality relating AB to DE

• AB > DE

• AB = DE

• AB < DE

• AB = 9

Which of the following can be the lengths of the sides of a triangle?

• 12, 9, 2

• 11, 12, 23

• 2, 3, 4

• 6, 10, 20