Subject:
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Re: Math problem, please help!
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Newsgroups:
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lugnet.cad
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Date:
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Mon, 4 Nov 2002 02:26:54 GMT
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Viewed:
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349 times
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In lugnet.cad, Ross Crawford writes:
> In lugnet.cad, Tore Eriksson writes:
> > I have a circle with unknown radius.
> >
> > Origo is at x=-310, y=unknown.
> > One known point is x=-310, y=-50, that's the top value of y.
> > The other known point is at x=-30.37, y=-120.11
> >
> > I want to know the radius of the circle. It could be somewhere between 400
> > and 700 units. Anybody?
>
> Easy using pythagoras:
>
> r^2 = (r-70.11)^2 + (279.63)^2
>
> a little manipulation yields r = 592.70 sound about right?
>
> ROSCO
Sounds about exactly correct. Sometimes when I stare long enough into a
problem, I just keep trying the same wrong way. :o/
Thanks Rosco! I should be able to calculate the next radius myself.
/Tore
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