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中三-四邊形10點
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http://www.flickr.com/photos/43427193@N05/7471548174/sizes/l/in/photostream/ THX
最佳解答:
角WZY = 90度 4x - 50 = 90 4x = 140 x = 35 WX = XY 2y+5 = 15 2y = 10 y = 5 so, x = 35 , y = 5
其他解答:
∠WZY = 90 ∠4x - 50 = 90 ∠4x = 140 x = 35 WX = XY 2y+5 = 15 2y = 10 y = 5
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