Triangle Inequality Review

Will these line segments form a triangle?

• yes

• no

Tags

CCSS.7.G.A.2

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

Does a triangle with these side lengths exist?

• Yes

• No

• I don't know.

Tags

CCSS.7.G.A.2

Can the following side measures form a triangle?

• Yes

• No

Tags

CCSS.7.G.A.2

Which of these lengths CANNOT represent the sides of a triangle?

• 32, 34, 60

• 28, 30, 58

• 13, 20, 27

• 2, 4, 5

Tags

CCSS.7.G.A.2

Will these side lengths form a triangle?

• yes

• no

Mrs. Barto has a pet rabbit and wants to build a pen for it. She has 3 pieces of lumber: 3ft, 7ft, and 8ft. Can she build a closed triangular pen with these three boards? (Will these three sides make a triangle?)

• Yes

• No

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

If the given side lengths of a triangle are 16 and 10 which can NOT be the third side?

• 25

• 22

• 27

• 21

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

• Yes

• No

Tags

CCSS.7.G.A.2