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21 May, 06:13

A triangle has side lengths of 26 in., 12 in., and 18 in. Is this triangle acute, right or obtuse? Explain your answer.

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  1. 21 May, 09:46
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    obtuse

    Step-by-step explanation:

    12^2+18^2=26^2

    144+324=676

    468=676

    if it was over 676 it would be acute if it equaled 676 it would be a right triangle
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