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若一个扇形的圆心角是120度则这个扇形的面积是整个圆的
若一个扇形的圆心角是120度则这个扇形的面积是整个圆的
2025-03-15 16:19:51
推荐回答（1个）
回答1：
若一个扇形的圆心角是120度则这个扇形的面积是整个圆的3分之1。
120÷360=3分之1
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