HELP! 数学PS problem.

tmac0516 · 发表于 2013-6-6 03:49:29

A circle is inscribed in an equilateral triangle, such that the two figures touch at exactly 3 points, one on each side of the triangle. Which of the following is closest to the percent of the area of the triangle that lies within the circle?

A50%
B55%
C60%
D65%
E70%

LoveYuLoveLei · 发表于 2013-6-6 20:44:15

http://www.beatthegmat.com/mba/2010/03/11/manhattan-gmat-challenge-problem-of-the-week-11-mar-10
解释的很清楚

tmac0516 · 发表于 2013-6-8 11:47:35

LoveYuLoveLei 发表于 2013-6-6 20:44
http://www.beatthegmat.com/mba/2010/03/11/manhattan-gmat-challenge-problem-of-the-week-11-mar-10
解 ...

3q! 谢谢啦！

HELP! 数学PS problem.

所属分类: GMAT考试

正在浏览此版块的会员 ()

浏览过的版块