1條math~
2008-06-15 7:42 am
回答 (2)
2008-06-15 8:04 am
✔ 最佳答案
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唔記得畫O sor /.\
NOA=OAC=15*(錯角)
EAC=90*(EAC係直角)
咁BAE=130-90-15=25*
FBA=BAE=25*(錯角)
e..睇錯以為係搵bearing oF A frOm B
當F同A係直線..垂直AE
咁FAB=90-25=65*
咁即係bearing oF B frOm A iS N65*E
the ans is b
2008-06-15 7:57 am
answer is B
180 - ( 130 - 15) = 65
180 - ( 130 - 15) = 65
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