标题: one Math JJ ? [打印本页] 作者: tigersun 时间: 2002-10-9 18:25 标题: one Math JJ ?
8、A graph like this. The angles in the top half are x, 2x, 2x, 2x, and 3x. How much is y?
/\2x
2x/ \2x
| |3x
| /|y
x|/_|
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18
How to get the answer?作者: tongxun 时间: 2002-10-9 18:41