Triangle Inequality Theorem

Can the following side measures form a triangle?
  3, 5, 8 

• Yes
• No

9. Which of these lengths CANNOT represent the sides of a triangle?

• 32, 34, 60
• 28, 30, 58
• 13, 20, 27
• 2, 4, 5

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

Select the measurements that match the sides of a triangle.

• 7, 9, 19
• 7, 12, 1
• 7, 7, 7
• 7, 7, 16

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

Does a triangle with these
side lengths exist?
(Don't fall for this one.)
0, 11, 12

• Yes
• No
• I don't know.

Will these three sides form a triangle?

• yes

• no

Will these line segments form a triangle?

• yes

• no

• 5 ft., 8 ft., 15 ft.
• 2 ft., 5 ft., 8 ft.
• 5 ft., 8 ft., 12 ft.

If a triangle has side lengths of 12 cm and 14 cm, which of the following could be the 3rd side length?

• 27 cm

• 3 cm

• 2 cm

• 30 cm