国际顶尖MBA申请交流平台--TOPWAY MBA

标题: 求助啊 gwd math.23 Q34 立体几何 [打印本页]

作者: echoetmoi 时间: 2013-5-18 16:13 标题: 求助啊 gwd math.23 Q34 立体几何

Q34:

In the figure, each side of square ABCD has length 1, the length of line segment CE is 1, and the length of line segment BE is equal to the length of line segment DE. What is the area of the triangular region BCE?

A. 1/3

B. (Ö2)/4

C. 1/2

D. (Ö2)/2

E. 3/4

Answer: B

作者: je04tta 时间: 2013-5-19 06:56

用BDE减去BTopway的面积再除以2就是了，BDE的高就是CE加正方形对角线的一半

欢迎光临国际顶尖MBA申请交流平台--TOPWAY MBA (http://forum.topway.org/)