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The figure above represents a semicircular garden that is enclosed by $$20$$ feet of fencing and a straight garden wall. What is the area, in square feet, of the garden?D显示答案
· 相关考点
4.5.3 弧长与扇形面积
4.5.3 弧长与扇形面积
以上解析由 考满分老师提供。