如图,BO.CO平分角ABC和角ACB.(1)若角A=70度,求角O; (2)若角A=100度,如图,BO.CO平分角ABC和角ACB.(1)若角A=70度,求角O;(2)若角A=100度,130度,角O又是多少?(3)由(1),(2)你发现了什么规律?
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![如图,BO.CO平分角ABC和角ACB.(1)若角A=70度,求角O; (2)若角A=100度,如图,BO.CO平分角ABC和角ACB.(1)若角A=70度,求角O;(2)若角A=100度,130度,角O又是多少?(3)由(1),(2)你发现了什么规律?](/uploads/image/z/10925696-56-6.jpg?t=%E5%A6%82%E5%9B%BE%2CBO.CO%E5%B9%B3%E5%88%86%E8%A7%92ABC%E5%92%8C%E8%A7%92ACB.%EF%BC%881%EF%BC%89%E8%8B%A5%E8%A7%92A%3D70%E5%BA%A6%2C%E6%B1%82%E8%A7%92O%EF%BC%9B+%EF%BC%882%EF%BC%89%E8%8B%A5%E8%A7%92A%3D100%E5%BA%A6%2C%E5%A6%82%E5%9B%BE%2CBO.CO%E5%B9%B3%E5%88%86%E8%A7%92ABC%E5%92%8C%E8%A7%92ACB.%EF%BC%881%EF%BC%89%E8%8B%A5%E8%A7%92A%3D70%E5%BA%A6%2C%E6%B1%82%E8%A7%92O%EF%BC%9B%EF%BC%882%EF%BC%89%E8%8B%A5%E8%A7%92A%3D100%E5%BA%A6%2C130%E5%BA%A6%2C%E8%A7%92O%E5%8F%88%E6%98%AF%E5%A4%9A%E5%B0%91%3F%EF%BC%883%EF%BC%89%E7%94%B1%EF%BC%881%EF%BC%89%2C%EF%BC%882%EF%BC%89%E4%BD%A0%E5%8F%91%E7%8E%B0%E4%BA%86%E4%BB%80%E4%B9%88%E8%A7%84%E5%BE%8B%3F)
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