Lengths That Make a Triangle

Determine if it is possible to form a triangle with the given side lengths. 2 mm, 2 mm, 8 mm

• yes
• no

Determine if it is possible to form a triangle with the given side lengths. 7 yd, 8 yd, 9 yd

• yes
• no

Determine if it is possible to form a triangle with the given side lengths. 15 in., 12 in., 2 in.

• yes
• no

Determine if it is possible to form a triangle with the given side lengths. 5 ft., 5 ft., 10 ft.

• yes
• no

Given are the lengths of two sides of a triangle. Find the range of lengths for the third side. 7 ft, 13 ft

• more than 6 but less than 20
• more than 20 but less than 6
• less than 6 but more than 20

Given are the lengths of two sides of a triangle. Find the range of lengths for the third side. 10 m, 13 m

• more than 3 but less than 23
• more than 23 but less than 3
• less than 3 but more than 23

Given are the lengths of two sides of a triangle. Find the range of lengths for the third side. 7 mm, 4 mm

• more than 3 but less than 11
• more than 11 but less than 3
• less than 3 but more than 11

In triangle ABC, the length of side AB is 10 inches and the length of side BC is 17 inches.  Which of the following could be the length of side AC?

• 16 inches
• 5 inches
• 32 inches
• 29 inches