Triangle Inequality Practice

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

• Yes
• No
• I don't know.

Tags

CCSS.7.G.A.2

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

• Yes
• No

Tags

CCSS.7.G.A.2

Can the sides of a triangle have lengths 4, 11, and 13?

• Yes
• No

Tags

CCSS.7.G.A.2

Which set of numbers may represent the lengths of the sides of a triangle?

• {2,5,9}
•  {6,6,7}
• {6,4,2}           
• {7,8,1}

Tags

CCSS.7.G.A.2

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

Determine whether the given side lengths can form a triangle:

3, 3, 3

• possible

• impossible

Determine whether the lengths could form a triangle:

3, 3, 6

• possible

• impossible

Tags

CCSS.7.G.A.2

Could a triangle with lengths 3, 4 and 4 exist?

• possible

• impossible

Tags

CCSS.7.G.A.2

Name the largest angle in this triangle.

• ∠D
• ∠E
• ∠F

Tags

CCSS.7.G.A.2

Name the smallest angle in this triangle.

• ∠A
• ∠B
• ∠C

Tags

CCSS.7.G.A.2

CCSS.7.G.B.5