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Please help I don't understand, if you can please show work, thank you

Please help I don't understand, if you can please show work, thank you-example-1
User Miguel Rdz
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1 Answer

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side 1+ side 2 + side 3=180 on a triangle. 180-56=124 124-66 becauseĀ  124-56 =66 but X is the smaller side so 56 X=56 (i believe but could be wrong unsure I have a tendency to mess up a few calculations.)
User UsmanJ
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