Can the Numbers Make a Triangle

Can the following 3 numbers be side measures of a triangle

• Yes

• No

What must you do to determine if side lengths can make a triangle?

• Add the two shorter sides, answer must me less than or equal to the third side

• Subtract the largest side from any other side and the answer must be positive

• Add the two shorter sides together, answer must be larger than the third side

• Divide your largest side by one of the shorter sides, your answer has to be bigger than the remaining side.

Can the following 3 numbers be side measures of a triangle

7, 5, 4

• Yes

• No

Can the following 3 numbers be side measures of a triangle

5, 2, 4

• Yes

• No

Can the following 3 numbers be side measures of a triangle

• Yes

• No

Which of the following CANNOT 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

I have a triangle that has sides 3 inches, 5 inches, and 7 inches. I can make...

• One unique triangle

• Many triangles

• This isn't a triangle

Can the following 3 numbers be side measures of a triangle

4, 7, 8

• Yes

• No

Can the following 3 numbers be side measures of a triangle

3, 10, 8

• Yes

• No

Can the following 3 numbers be side measures of a triangle

2, 15, 16

• Yes

• No