To weigh your suitcase, you hold it while you step on the scale. By yourself, you weigh 120.5 pounds. Holding your suitcase, you
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O is parallel to q
let's take the angle opposite to angle 4 is alpha
angle 4 = angle alpha ( vertically opposite angles)
angle alpha = angle 3 ( as angle 4 = angle 3).
hence o is parallel to q as both the angles are equal
