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January 23rd, 2012, 12:17 PM   #1
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Is the r of an circumscribed circle = 2r of an incircle?

We're talking about an isosceles triangle. Is it possible to have such a triangle?

so that radius R(Circumscribed circle)= radius 2r(inscribed)?
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January 24th, 2012, 12:21 PM   #2
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Re: Is the r of an circumscribed circle = 2r of an incircle?

Equilateral triangle will do.
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