#define _USE_MATH_DEFINES #include #include #include #include #include #include #include #include #include using namespace std; #define REP(i,a,b) for(i=a;i> n; rep(i,n) { rep(j,6) { cin >> tmp_x >> tmp_y; if(-0.1 <=tmp_y && tmp_y <= sin((double)53*M_PI/180) && tmp_x >= 0) y = tmp_y; } e[i] = asin(y); } rep(i,n) printf("%.9f\n",e[i]*180/M_PI); return 0; }