如图,点M(2.2),将一个90°的直角尺的直角顶点放在点M处,角尺的两边分别交X轴,Y轴正半轴于A,B.AP平分∠OAB交OM于P,PN⊥X轴于N,把角尺绕点M旋转时:(1)求证:OM平分∠AOB;(2)求OA+OB的值;
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![如图,点M(2.2),将一个90°的直角尺的直角顶点放在点M处,角尺的两边分别交X轴,Y轴正半轴于A,B.AP平分∠OAB交OM于P,PN⊥X轴于N,把角尺绕点M旋转时:(1)求证:OM平分∠AOB;(2)求OA+OB的值;](/uploads/image/z/13111011-27-1.jpg?t=%E5%A6%82%E5%9B%BE%2C%E7%82%B9M%EF%BC%882.2%EF%BC%89%2C%E5%B0%86%E4%B8%80%E4%B8%AA90%C2%B0%E7%9A%84%E7%9B%B4%E8%A7%92%E5%B0%BA%E7%9A%84%E7%9B%B4%E8%A7%92%E9%A1%B6%E7%82%B9%E6%94%BE%E5%9C%A8%E7%82%B9M%E5%A4%84%2C%E8%A7%92%E5%B0%BA%E7%9A%84%E4%B8%A4%E8%BE%B9%E5%88%86%E5%88%AB%E4%BA%A4X%E8%BD%B4%2CY%E8%BD%B4%E6%AD%A3%E5%8D%8A%E8%BD%B4%E4%BA%8EA%2CB.AP%E5%B9%B3%E5%88%86%E2%88%A0OAB%E4%BA%A4OM%E4%BA%8EP%2CPN%E2%8A%A5X%E8%BD%B4%E4%BA%8EN%2C%E6%8A%8A%E8%A7%92%E5%B0%BA%E7%BB%95%E7%82%B9M%E6%97%8B%E8%BD%AC%E6%97%B6%EF%BC%9A%EF%BC%881%EF%BC%89%E6%B1%82%E8%AF%81%EF%BC%9AOM%E5%B9%B3%E5%88%86%E2%88%A0AOB%3B%EF%BC%882%EF%BC%89%E6%B1%82OA%2BOB%E7%9A%84%E5%80%BC%EF%BC%9B)
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