The lengths of two sides of a triangle are 12 inches and 4 inches. Which of the following dimensions is the third side of this triangle? 9 inches 8 inches 7 inches 6 inches

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asked Dec 14, 2017 134k views

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Xiaogw · Answer 1 · 2017-12-19T12:52:26+0000

According to the rule that any 2 shorter sides have to be longer (not equal) to the other side, the answer is 9 inches.

4 + x > 12
x > 8

The answer is 9 inches, as x>8 doesn't include 8 in its domain.

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The lengths of two sides of a triangle are 12 inches and 4 inches. Which of the following dimensions is the third side of this triangle? 9 inches 8 inches 7 inches 6 inches

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