Triangle Inequalities - Missed Questions

What is a possible third side to a triangle with side lengths of 5 and 5?

• 9
• 10
• 11
• 12

Which lists the sides of ∆PQR in order from 
greatest to least?

• PQ, QR, PR
• QR, PQ, PR
• PR, QR, PQ
• PR, PQ, QR

Order the angles from greatest to least 

• a , b , c 
• b , c , a
• c , b , a 
• a , c , b 

What is the correct order of the lengths of the streets from longest to shortest?

• A
• B
• C
• D

Describe the possible lengths for the third side of the triangle given the two sides 4 and 4.

• 4 < x < 8
• 0 < x < 8
• 8 < x < 0
• 0 < x < 4

Which of the following does not represent the lengths of the sides of a triangle?

• 2 cm, 6 cm, 7 cm
• 5 cm, 2 cm, 5 cm
• 5 cm, 5 cm, 8 cm
• 3 cm, 10 cm, 15 cm

What is a possible third side to a triangle with side lengths of 13 and 4?

• 9
• 12
• 8
• 5

Which of the following would NOT work to make a triangle with the two side lengths of 2 and 6?

• 6
• 7
• 5
• 4