
Triangle Inequality Theorem (Video)
Authored by Stacey Nalesnik
Mathematics
7th Grade
CCSS covered

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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What does the Triangle Inequality Theorem state about the sides of a triangle?
The sum of any two sides must be greater than the third side.
The sum of all three sides must be equal.
The sum of any two sides must be equal to the third side.
The sum of any two sides must be less than the third side.
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
For sides a, b, and c of a triangle, which inequality must be true?
a + b = c
a + b > c
a + b < c
a + b != c
Tags
CCSS.HSG.CO.C.10
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which condition is necessary for three lengths to form a triangle?
Any two sides summed must be less than the third side.
Any two sides summed must be greater than the third side.
The shortest side must be less than the sum of the other two.
The longest side must be equal to the sum of the other two.
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
If side a and side c together are less than side b, what can be concluded?
a, b, and c cannot form a triangle.
a, b, and c can form a triangle.
Only a right triangle can be formed.
Only an isosceles triangle can be formed.
Tags
CCSS.HSG.CO.C.10
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which set of sides correctly forms a triangle according to the Triangle Inequality Theorem?
Sides 6, 4, and 9
Sides 5, 5, and 10
Sides 5, 3, and 9
Sides 4, 3, and 7
Tags
CCSS.7.G.A.2
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
In a triangle with sides a, b, and c, which inequality is NOT a part of the Triangle Inequality Theorem?
b + c > a
a + c > b
a + b < c
a + b > c
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is the correct statement about the sides of a triangle?
The sum of all sides must be equal.
The sum of all sides must equal twice the largest side.
The sum of the two larger sides must be less than the smallest side.
The sum of the two smaller sides must be greater than the largest side.
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