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ThisShouldFeelLikeFire Group Title

What kind of triangle is formed if the side lengths are 6, 7, and 8? A. Acute B. Obtuse C. Right D. No triangle can be formed with those side lengths.

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  1. tkhunny Group Title
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    Triangle Inequality for Existence 6 + 7 > 8 Yes 6 + 8 > 7 Yes 7 + 8 > 6 Yes Definitely CAN be a triangle. Discard D. Pythagorean Theorem \(6^{2} + 7^{2} = 36 + 49 = 85 \ne 8^{2}\) Definteily NOT a Right Triangle. Discard C. Now what?

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