/* -*-ePiX-*- */
#include "epix.h"
using namespace ePiX;

double th(65);

int main()
{
  picture(P(0,0), P(1,1), "2 x 2in");

  begin();
  degrees();
  bold();
  P O(0,0), pA(1,0), pB(0,1), pC(cis(th));

  line(O,pA);
  line(O,pB);
  line(O,pC);

  arc(O, 1, 0, 90);

  label(O, P(-2,-4), "$O$", bl);
  label(pA, P(0,-4), "$A$", b);
  label(pB, P(-4,0), "$B$", l);
  label(pC, P(2, 2), "$C$", tr);

  tikz_format();
  end();
}