thank you :)
http://img408.imageshack.us/img408/6375/76963909yd4.png
更新1:
ignore the two way, i only need 1 way to solve it (Don't use sin, cos , tan formula)
更新2:
tell me If it is possible to solve it without using sin, cos , tan formula
Need help quick plz. thank you.? (Circle)?
2008-11-29 12:35 am
Someone plz solvie this question without using the tan,sin,cos formula,
thank you :)
http://img408.imageshack.us/img408/6375/76963909yd4.png
thank you :)
http://img408.imageshack.us/img408/6375/76963909yd4.png
回答 (1)
2008-11-29 8:01 am
✔ 最佳答案
unless there is a 90 degree angle missing from between the 18cm line and the radius (i.e. then you could use pythagoras), then no, you will need sohcahtoa.radius(opp) = 12 sin55, or
radius(opp) = 18 tan55.
sorry
good luck
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原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20081128163547AALWgea