5.5 - Use Inequalities in a Triangle

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

• Yes
• No
• I don't know.

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

• Yes
• No

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

• 9
• 12
• 8
• 5

Name the smallest angle in this triangle.

• ∠A
• ∠B
• ∠C

Tags

CCSS.HSG.CO.C.10

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.

Order the angles from greatest to least. 

• a, b ,c
• a , c, b
• c , b , a
• b , c , a

Tags

CCSS.HSG.CO.C.10

Place the side lengths in order of longest to shortest.

• x, y, z

• y, x, z

• x, z, y

• z, x, y

• y, z, x

If the longest side of the triangle was 10. Then the two shorter sides must have a sum that is ....?

• any length
• equal to 10
• greater than 10
• less than 10