#include <stdio.h>
#include <math.h>

double slice (double r, double x)
{
  double a = 2*acos (x/r);
  return r*r/2.0*(a-sin(a));
}

double truncated_area (double r, double x, double w)
{
  double y = sqrt(r*r-x*x);
  double xx = sqrt(r*r-w*w);
  if (y <= w) return slice (r, x);
  else return 2.0*w*(xx-x) + slice (r, xx);
}

int main (void)
{
  int k, K;
  double w, h, r, d, a1, a2;
  double x1, x2, xl, xr, xm;
  double area;
  double pi = atan2 (0, -1);

  FILE *in = fopen ("sun.in", "r");
  fscanf (in, "%d\n", &K);
  for (k = 1; k <= K; k ++)
    {
      float ww, hh, rr, dd, aa1, aa2;
      fscanf (in, "%f %f %f %f %f %f\n", &ww, &hh, &rr, &dd, &aa1, &aa2);
      w = (double) ww/2.0; h = (double) hh/2.0; r = (double) rr;
      d = (double) dd; a1 = (double) aa1; a2 = (double) aa2;

      x1 = d/tan(a2*pi/180.0); x2 = d/tan(a1*pi/180.0);
      xl = x2 - r; xr = x1 + r; xm = (x1+x2)/2.0;
      area = 0.0;
      if (xl < h && xr > -h)
	{
	  if (xm >= -h)
	    {
	      if (xm <= h)
		area += truncated_area (r, x2-xm, w);
	      else area += truncated_area (r, x2-h, w);
	      if (xl < -h)
		area -= truncated_area (r, x2+h, w);
	    }
	  if (xm <= h)
	    {
	      if (xm >= -h)
		area += truncated_area (r, xm-x1, w);
	      else area += truncated_area (r, -h-x1, w);
	      if (xr > h)
		area -= truncated_area (r, h-x1, w);
	    }
	}
      printf ("Data Set %d:\n", k);
      printf ("%.2f\%\n", 100.0000000001-25.0*area/(w*h));
    }
  fclose (in);
  return 0;
}