Can These Sides Make a Triangle

Which of the following side lengths could be the third side of a triangle with sides:

19 cm and 14 cm

• 5 cm

• 2 cm

• 3 cm

• 6 cm

Which of the following side lengths could be the third side of a triangle with sides: 12 cm and 2 cm

• 16 cm

• 10 cm

• 8 cm

• 6 cm

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. 7 yd, 8 yd, 9 yd

• yes

• no

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

• Yes

• No

Will these three sides form a triangle?

• yes

• no

Will these line segments form a triangle?

• yes

• no

Which set of side lengths will form a triangle?

• 3, 6, 12

• 7, 7, 14

• 9, 9, 9

• 13, 6, 7

Mrs. Barto has a pet rabbit and wants to build a pen for it. She has 3 pieces of lumber: 3ft, 7ft, and 8ft. Can she build a closed triangular pen with these three boards? (Will these three sides make a triangle?)

• Yes

• No

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

• 6

• 7

• 5

• 4