Does This Form a Triangle

A triangle has sides measures 7, 7, 14. Does this form a triangle?

• No triangle

• One unique triangle

• More than one triangle

A triangle has side lengths of 12, 7, 9. Does it form triangle?

• No triangle

• One unique triangle

• More than one triangle

A triangle has angle measures of 80, 40 , and 60 degrees. Does it form a triangle?

• No triangle b/c it doesn't add to 180 degrees

• One unique triangle

•  More than one triangle b/c it adds to 180 degrees and could have longer or shorter sides

Find ?

• 35 degrees

• 137 degrees

• 145 degrees

• m∠C < m∠E
• m∠E > m∠D
• m∠D < m∠C
• m∠E > m ∠C

A student is trying to construct triangles using four different sets of angles. The angles in each set are given below. Which set will form a triangle?

• 45°, 65°, 70°

• 150°, 110°, 100°

• 50°, 50°, 50°

• 90°, 90°, 90°

Will these line segments form a triangle?

• yes

• no

Will the following three angles for a triangle?

30°, 60°, 90°

• yes

• no

Will these three sides form a triangle?

• yes

• no

Will these side lengths form a triangle?

• yes

• no