Forming Triangles

Which set of numbers represents the side lengths of a triangle?

• {5,18,13}
• {6,17,22}
• {16,24,7}
• {26,8,15}

Which side lengths would NOT form a triangle?

• {3,4,5}
• {2,5,9}
• {5,10,12}
• {7,9,11}

If the given side lengths of a triangle are 16 and 10 which can NOT be the third side?

• 25

• 22

• 27

• 21

What symbol has to be in the inequality to make the side lengths form a triangle?

• less than
• equal sign
• greater than or equal to
• greater than

side lengths of 4,4,4 form a triangle

• True
• False

Equilateral triangles have sides that are all equal?

• False
• True

Which of the following sets of side lengths could produce a triangle. SELECT ALL THAT APPLY.

• 4, 4, 4

• 5, 5, 10

• 3, 6, 9

• 5, 7, 11

• 13, 5, 6

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