Triangle Inequalities

Does a triangle with these side lengths exist?
15, 12, 9

• Yes
• No
• I don't know.

Tags

TEKS.MATH.6.8A

Can the sides of a triangle have lengths 3, 4, and 9?

• Yes
• No

Tags

CCSS.7.G.A.2

What is a possible third side to a triangle with side lengths of 13 and 4?

• 9
• 12
• 8
• 5

Tags

TEKS.MATH.6.8A

Name the largest angle in this triangle.

• ∠D
• ∠E
• ∠F

Tags

CCSS.7.G.A.2

CCSS.7.G.B.5

Name the smallest angle in this triangle.

• ∠A
• ∠B
• ∠C

Tags

CCSS.HSG.CO.C.10

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

The longest side of a triangle would be located where on a triangle?

• Across from the smallest angle
• Across from the largest angle
• Cannot tell.
• Adjacent to the smallest side.

Tags

CCSS.HSG.SRT.D.11

The smallest angle would be located where in a triangle?

• Across from the smallest side.
• Across from the largest side
• Cannot tell

Tags

CCSS.HSG.CO.C.10

Two sides of a triangle have side lengths of 17 meters and 12 meters.  What is the range of possible lengths for the third side?

• 12 < x < 17
• 12 < x < 29
• 5 < x < 17
• 5 < x < 29

Tags

CCSS.HSA.CED.A.3

What is the range of values the third side of the triangle could be?

• A
• B
• C
• D

Tags

CCSS.7.G.A.2

What is the range of values the third side of the triangle could be?

• A
• B
• C
• D

Tags

CCSS.7.G.A.2