Micheal was building a fence in the morning he worked for 4/5 of an hour in the afternoon he worked for 7/8 of an hour How many times as long was his afternoon work compared to his morning work

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according to the triangle sum theorem, all the angles in a triangle must add up to 180 degrees. if we know one angle is already 90, we do 180-90=90. the other 2 angles must add up to 90, exactly.

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