Triangle Inequality Theorem Practice

Will these line segments form a triangle?

• yes

• no

Will these three sides form a triangle?

• yes

• no

side lengths of 4,4,4 form a triangle

• True
• False

If a = 3 and b = 4, c = ?

• 5
• 7
• 25
• 1

Does a triangle with these side lengths exist?
15, 12, 9

• Yes
• No
• I don't know.

Select the measurements that match the sides of a triangle.

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

Determine if the 3 numbers can be measures of the sides of a triangle. 6, 14, 21

• Yes

• No

Determine if the 3 numbers can be measures of the sides of a triangle. 9, 12, 20

• Yes

• No

Can the following side measures form a triangle?
  4 cm, 7 cm, 10 cm 

• Yes
• No

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

• Yes
• No