第 1 页精品文档---下载后可任意编辑新 GRE 数学重要考点：Geometric Figures攻克新 GRE 数学，从重要考点的各个击破开始！今日我为大家整理的是Geometric Figures 的相关内容。 Geometric Figures If a point is selected at random inside a geometric figure, then the probability that the selected point lies inside a particular region is the ratio of their areas: area of the particular region inside the figure/area of the whole figure. Example: The probability that a randomly selected point within the square lies inside the circle=area of circle/area of square=r2/(4r2)= /4. Remember: If the particular region is not completely inside the figure, then use only the area that is inside the figure.
