Inequalities in One Triangle

Order the sides from greatest to least

• a , b , c

• b , c , a

• c , b , a

• a , c , b

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

Name the angles from SMALLEST to LARGEST

• Q, R, P

• P, Q, R

• R, P, Q

• R, Q, P

Name the sides from SMALLEST to LARGEST

• RS, ST, TR

• ST, RT, RS

• RT, ST, RS

• RT, RS, ST

Name the sides from LARGEST to SMALLEST

• KJ, KH, JH

• JH, KH, KJ

• KH, KJ, JH

• KH, JH, KJ

Find the largest angle in Δ PRQ

• ∠R

• ∠P

• ∠Q

• ∠S

List the angles from smallest to largest.

A triangle has side lengths 6 and 10.

Which choice CANNOT be the length of the third side?

• 5

• 11

• 15

• 17

A triangle has side lengths 12 and 15.

Which choice CANNOT be the length of the third side?

• 2

• 6

• 12

• 26

A triangle has side lengths 7 and 12.

Which choice CAN be the length of the third side?

• 5

• 10

• 19

• 21