| Discussion: | All Topics |
| Topic: | re:working with triagles |
| Related Item: | http://mathforum.org/mathtools/tool/22444/ |
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| Subject: | re:working with triagles |
| Author: | Magdi |
| Date: | Jun 14 2006 |
rules, the cosine rule
cosA=(b^2+c^2-a^2)/(2bc)
Mr.Magdi
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