这题是怎么算的？？？？？？？？选D？？？？

faytastic · 发表于 2011-3-1 19:12:30

The points R, T, and U lie on a circle that has radius 4. If the length of arc RTU is , what is the length of line segment RU?

A.
B.
C.   3
D.   4
E.   6

sdcar2010 · 发表于 2011-3-1 21:50:44

If the length of arc RTU is what number?

这题是怎么算的？？？？？？？？选D？？？？

所属分类: GMAT考试

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