Form 1: Triangle Inequality Theorem and Side Lengths
Apply the Triangle Inequality Theorem to evaluate relationships between side lengths. Determine whether given side lengths can successfully form a triangle.
Questions
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MultiChoice
Can a triangle be constructed with side lengths 3 cm, 4 cm, and 8 cm?
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MultiChoice
Which set of side lengths can form a unique triangle?
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MultiChoice
If two sides of a triangle measure 7 cm and 11 cm, which length could be the third side?
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MultiChoice
What condition must be met by three side lengths a, b, and c to form a triangle?
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MultiChoice
Can a triangle have side lengths 6 cm, 6 cm, and 12 cm?
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MultiChoice
Which side length CANNOT complete a triangle with existing sides 4 cm and 9 cm?
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MultiChoice
What is the range of possible lengths for the third side x of a triangle with sides 5 cm and 12 cm?
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MultiChoice
Which of the following combinations of side lengths CANNOT form a triangle?
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MultiChoice
A student tries to construct a triangle with sides 8 cm, 15 cm, and 17 cm. Is this possible?
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MultiChoice
If a triangle has side lengths 10 cm and 14 cm, what is the smallest possible whole number length for the third side?
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MultiChoice
If a triangle has side lengths 9 cm and 15 cm, what is the largest possible whole number length for the third side?
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MultiChoice
Why does the set of side lengths {2 cm, 3 cm, 6 cm} fail to form a triangle?