A swing set needs repair. The support bar that is at the middle of the A-frame is failing and must be replaced.
1. The legs of the frame SI and GI are each 5 ft long. If the crossbar WN intersects legs SI and GI at their midpoints, how far is point W from point S on the leg? Justify your answer.
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2. The distance between point S and point G is 5 feet. Will a piece of wood that is 36 in long be long enough to replace the crossbar labeled WN? Justify your answer.
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3. Assuming the ground is flat, is WN parallel to the ground? Justify your answer.
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