2018_2019学年九年级数学下册第2章圆2.2圆心角、圆周角2.2.1圆心角课件(新版)湘教版.ppt

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2.2.1 圆心角,知识目标,目标突破,第2章 圆,总结反思,知识目标,2.2.1 圆心角,目标突 破,目标一 理解圆心角的概念,60,2.2.1 圆心角,2.2.1 圆心角,2.2.1 圆心角,目标二 理解圆心角、弧、弦之间的关系,2.2.1 圆心角,2.2.1 圆心角,2.2.1 圆心角,总结反思,小结,知识点一 圆心角的概念,2.2.1 圆心角,圆心,知识点二 弧、弦、圆心角的关系,2.2.1 圆心角,弧,弦,2.2.1 圆心角,反思,2.2.1 圆心角,2.2.1 圆心角,2.2.1 圆心角,

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