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The length of the line adjacent to angle 45 degrees will also be 12.5 meters because in effect the given triangle is that of half a square with 4 equals sides of 12.5 meters or alternatively using trigonometry 12.5*tangent(45) = 12.5 meters

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Q: If the opposite a 45 angle in a right triangle equal 12.5 meters how long is the side adjacent the angele?
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