Inequalities and Triangles

Find the range of possible values of x.

Find the range of possible values for x.

Find the range of possible values for x

Will these three sides form a triangle?

• yes

• no

In ∆LMN, the measure of ∠L is 51° and the measures of ∠M is 48°. Which of the following inequalities concerning the lengths of the sides of ∆LMN is true?

• MN>LM

• LN+MN<LM

• LN>MN

• LM>LN

• 10.5

• 15

• 21

• 28

• AB>AC

• AB<AC

• AB=AC

• No conclusion can be made

Which of the following statements must be true?

• RS > XY

• RS < XY

• ST < XZ

Select all that are TRUE.

• AB > AE

• BE > CE

• BE > CD

• CD < DE

• CE > BC

What are the possible values for x?

• x < 16

• 4 < x < 16

• x < 40

• 4 < x < 40