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ThisShouldFeelLikeFire

  • 3 years ago

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
    • 3 years ago
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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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