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Mathematics, 09.01.2020 08:31 zachstonemoreau
Asupport beam needs to be placed at a 28° angle of elevation so that the top meets a vertical beam 1.6 meters above the horizontal floor. the vertical beam meets the floor at a 90° angle.
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Asupport beam needs to be placed at a 28° angle of elevation so that the top meets a vertical beam 1...
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