Trigonometry
posted by Kali .
v=2(ab+bc+ca), solve for a

Trigonometry 
Reiny
Please look back at your previous post before posting the same question again.
http://www.jiskha.com/display.cgi?id=1310130604 
Trigonometry 
Kali
sorry, it's a different question. That one was miswritten. I accidently wrote cd instead of ca.
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