垂直線(小學既野)

2008-03-19 6:13 am
我想問大家知唔知咩叫垂直線?
不過,我睇大家都知
知既,就答我啦
我唔記得左
唉~~~~

回答 (3)

2008-03-19 6:26 am
兩條線成直角,就成垂直線!


hope help you!

^^
參考: 自己
2008-03-19 6:14 am
one of them high to low
one of them left to right
their point must be 90o

收錄日期: 2021-04-13 15:19:24
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