一题图形题,看不懂题目,各位帮忙翻译下吧....谢谢

228277228 · 发表于 2010-2-19 11:46:32

The figure above shows the dimensions of a semicircular cross section of a one-way tunnel. The single traffic lane is 12 feet wide and is equidistant from the sides of the tunnel. If vehicles must clear the top of the tunnel by at least ½ foot when they are inside the traffic lane, what should be the limit on the height of vehicles that are allowed to use the tunnel?

A.   5½ ft
B.   7½ ft
C.   8 ½ ft
D.   9½ ft
E.   10 ft

题目的图不会粘，就是一个半圆，标了直径20ft

228277228 · 发表于 2010-2-19 16:37:19

Iljiajia · 发表于 2010-2-19 17:23:43

这题是哪来的？是选C吗？

xue901123 · 发表于 2010-2-19 23:56:27

选B啊，很简单啊6,8,10一个三角形，8再减二分之一

bbcxd · 发表于 2010-2-20 00:05:10

The figure above shows the dimensions of a semicircular cross section of a one-way tunnel. The single traffic lane is 12 feet wide and is equidistant from the sides of the tunnel. If vehicles must clear the top of the tunnel by at least ½ foot when they are inside the traffic lane, what should be the limit on the height of vehicles that are allowed to use the tunnel?

A. 5½ ft
B. 7½ ft
C. 8 ½ ft
D. 9½ ft
E. 10 ft

题目的图不会粘，就是一个半圆，标了直径20ft

-- by 会员 228277228 (2010/2/19 11:46:32)

这个就是说一个半圆的隧道，单轨道。轨道宽12FEET，隧道两头都一样。如果车辆至少离隧道顶部要1/2 FEET，那么车辆最高可以有多高？

大概就这个衣丝哈。楼上滴童靴好丽孩儿鸭

一题图形题,看不懂题目,各位帮忙翻译下吧....谢谢

所属分类: GMAT考试

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