Triangle Inequality
Authored by Jennifer Mallory
Mathematics
8th - 10th Grade
CCSS covered
Used 49+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Does a triangle with these side lengths exist?
15, 12, 9
Yes
No because 12 + 9 is greater than 15
No because 15 - 9 is NOT greater than 12
No because 15 - 12 is NOT greater than 9
Tags
CCSS.7.G.A.2
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Can the sides of a triangle have lengths 3, 8, and 9?
Yes
No because 3 + 8 is greater than 9
No because 9 - 3 is NOT greater than 8
No because 9 - 8 is NOT greater than 3
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Can the sides of a triangle have lengths 3, 4, and 9?
Yes
No because 3 + 4 is NOT greater than 9
No because 9 - 3 is NOT greater than 4
No because 9 - 4 is NOT greater than 3
Tags
CCSS.7.G.A.2
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Can the sides of a triangle have lengths 4, 11, and 13?
Yes
No because 4 + 11 is greater than 13
No because 13 - 11 is NOT greater than 4
No because 13 - 4 is NOT greater than 11
5.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
Which values are possible for the third side to a triangle with side lengths of 13 and 4?
9
12
10
14
17
6.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
Which values could be used for the third side to a triangle with side lengths of 13 and 4?
9
12
8
17
15
7.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
Which values are possible for the third side to a triangle with side lengths of 5 and 5?
9
10
11
5
8
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