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Posted: Sun Jul 11, 2010 9:08 am
by Genete
selgin wrote:
Genete wrote:
selgin wrote:Ok, you can rotate a line by angles too, so you can use lines as references. But I'm sure it's not what Genete is thinking about.
How do you calculate the angle without a calculator?
I said it, I'm thinking as Genete does, my brain is very fast :roll:
No solution? A 5 years old child can do it ;)