The Triangle Inequality Theorem

Author:Patrick Janike

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Which of the following sets of lengths can form a triangle?

Select all that apply

A
4, 3, 9
B
10, 8, 1.5
C
8, 6, 2
D
6, 3, 3.5

Check my answer (3)

Make a conjecture...

What must be true about three side lengths for them to be able to form a triangle?

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