Triangle Inequality Theorem Concepts
Interactive Video
•
Mathematics
•
5th - 8th Grade
•
Practice Problem
•
Easy
Standards-aligned
Jackson Turner
Used 3+ times
FREE Resource
Standards-aligned
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5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the basic rule of the triangle inequality theorem?
The sum of the lengths of any two sides must be greater than the third side.
The sum of the lengths of all three sides must be equal.
The sum of the lengths of any two sides must be equal to the third side.
The sum of the lengths of any two sides must be less than the third side.
Tags
CCSS.7.G.A.2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the example with sides 3, 9, and 11, why can these form a triangle?
Because 3 + 9 is greater than 11.
Because 3 + 9 is equal to 11.
Because 3 + 9 is less than 11.
Because 3 + 9 is equal to 9.
Tags
CCSS.7.G.A.2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following sets of sides cannot form a triangle?
5, 7, 10
8, 15, 20
3, 4, 8
6, 8, 13
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it often sufficient to only add the two smaller numbers when testing the triangle inequality?
Because it guarantees the largest side is considered.
Because it simplifies the calculation.
Because it will always determine if the sides can form a triangle.
Because it ensures the smallest side is considered.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What should you do if the sum of the two smaller sides is equal to the third side?
It forms an isosceles triangle.
It forms a right triangle.
It cannot form a triangle.
It can form a triangle.
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