Art of Problem Solving

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A user with 1 edit. Account created on 8 April 2016.
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24 May 2016

  • 07:5407:54, 24 May 2016 diff hist +681 N Exradius Created page with "Excircle The radius of an excircle. Let a triangle have exradius r_A (sometimes denoted rho_A), opposite side of length a and angle A, area Delta, and semiperimeter s. Then ..."