Inequalities in Triangles

Can the sides of a triangle have lengths 3, 8, and 9?

• Yes
• No

Tags

CCSS.7.G.A.2

What is a possible third side to a triangle with side lengths of 5 and 5?

• 9
• 10
• 11
• 12

Tags

CCSS.7.G.A.2

Name the smallest angle in this triangle.

• ∠A
• ∠B
• ∠C

Tags

CCSS.HSG.CO.C.10

Name the largest angle in this triangle.

• ∠D
• ∠E
• ∠F

Tags

CCSS.HSG.CO.C.10

Which side lengths would NOT form a triangle?

• {3,4,5}
• {2,5,9}
• {5,10,12}
• {7,9,11}

Tags

CCSS.7.G.A.2

If the given side lengths of a triangle are 16 and 10 what can be the third side?

• 25

• 22

• 27

• 21

Tags

CCSS.7.G.A.2

Find the value of x by using the exterior angle theorem.

• A
• B
• C
• D

Tags

CCSS.8.G.A.5

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.7.G.A.2

• <

• >

• =

Tags

CCSS.7.G.B.5

• 10.5

• 15

• 21

• 28

Tags

CCSS.7.G.B.5