Naming Triangles and Triangle Inequality

Which could be the lengths of three sides of a triangle?

• A
• B
• C
• D

Which orders the sides of this triangle from least to greatest using the instrument names?

• A
• B
• C
• D

What is the correct order of the lengths of the streets from longest to shortest?

• A
• B
• C
• D

Do the following side lengths form a triangle?
3, 10, 7

• Yes
• No

Describe the possible lengths for the third side of the triangle given the two sides 10 and 5.

• 5 < x 10
• 0 < x < 10
• 0 < x < 15
• 5 < x < 15

Describe the possible lengths for the third side of the triangle given the two sides 9 and 22.

• 13 < x < 31
• 13 > x > 31
• 31 > x < 13
• 31 < x < 13

Order the sides from least to greatest. 

• DE, VE, DV
• VE, DE, DV
• DV, VE, DE
• DE, DV, VE

Find the largest angle in Δ PRQ

• ∠R
• ∠P
• ∠Q
• ∠S

Find the largest side in Δ BCD

• Segment BC
• Segment DB
• Segment DC
• Segment AB

Can the following lengths form a triangle?
7, 7, 7

• Yes
• No