题库搜索>问题求解PS-17826
建议使用官方纸质指南，查看对照完整题目
In the figure above, the area of the shaded region is
分析A选项
分析B选项
分析C选项
分析D选项
分析E选项
我有更好的解析 
暂无雷哥网文字解析
反思：pace慢，算得比较慢，用大三角形的面积-小三角形的面积的方法，实际上大三角形的面积直接可以看成是半个正方形的面积
所在三角形的高，用三角函数sin60°=h/4根号2，可以求出来，然后就可以求出来三角形的面积8倍根号3
半个正方形的面积=4*4*（1/2）=8
阴影部分面积=所在三角形的面积-半个正方形的面积=8倍根号3-8=8（根号3-1）
科目：
问题求解PS
来源：
GMAT难题300合集
题目信息1m59s
平均耗时
92.1%
平均正确率
该题由网友yBtvr6Q提供
点击上传问题求解PS -17839
A circular rim 28 inches in diameter rotates the same number of inches per second as a circular rim 35 inches in diameter. If the smaller rim makes x revolutions per second, how many revolutions per minute does the larger rim make in terms of x?
问题求解PS -17836
Note: Figure not drawn to scale.In the previous figure, three squares and a triangle have areas of A, B, C, and X as shown. If A=144,B=81,andC=225,then X=
问题求解PS -17834
The figure above shows 2 circles. The larger circle has center A, radius R cm, and is inscribed in a square. The smaller circle has center C, radius r cm, and is tangent to the larger circle at point B and to the square at points D and F. If points A, B, C, and E are collinear, which of the fol...
问题求解PS -17828
In the figure above, PQ is a diameter of cirde O, PR= SQ, and ΔRST is equilateral. If thelength of PQ is 2, what is the length of RT?
问题求解PS -17826
In the figure above, the area of the shaded region is
问题求解PS -17839
A circular rim 28 inches in diameter rotates the same number of inches per second as a circular rim 35 inches in diameter. If the smaller rim makes x revolutions per second, how many revolutions per minute does the larger rim make in terms of x?
问题求解PS -17836
Note: Figure not drawn to scale.In the previous figure, three squares and a triangle have areas of A, B, C, and X as shown. If A=144,B=81,andC=225,then X=
问题求解PS -17834
The figure above shows 2 circles. The larger circle has center A, radius R cm, and is inscribed in a square. The smaller circle has center C, radius r cm, and is tangent to the larger circle at point B and to the square at points D and F. If points A, B, C, and E are collinear, which of the fol...
问题求解PS -17828
In the figure above, PQ is a diameter of cirde O, PR= SQ, and ΔRST is equilateral. If thelength of PQ is 2, what is the length of RT?
问题求解PS -17826
In the figure above, the area of the shaded region is
分享
周末、晚班滚动开班 
24+35+35+6课时 
