Can You Form a Triangle

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

• Yes

• No

Will these side lengths form a triangle: 4 in, 2 in, 8 in?

• Yes

• No

Do the following lengths form a triangle

• Yes

• No

Which of the following side lengths form a triangle?

• 1, 2, 3

• 5, 7, 8

• 6, 6, 14

• 80, 20, 50

State the number of triangles that can be formed using the given information:

• 0

• 1

• 2

Do the following lengths 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

Find the measure of the missing angle.

• 47

• 57

• 53

• 133

Solve for the missing angle with the question mark. 

• A

• B

• C

• D

Will these line segments form a triangle?

• yes

• no