Калькулятор бляхаря.
розрахунок розгортки:
100 = 200 -100; 50 = 100 / 2; 200 = 200; 206.15528128088 = sqrt (50 * 50 + 200 * 200); 0.97014250014533 = 200/206.15528128088; 0.24253562503633 = 50/206.15528128088; 4 = 2 * 200/100; 412.31056256177 = (200 / 2) * (1/0.24253562503633); 43.65641250654 = 180 * 0.24253562503633; 87.31282501308 = 43.65641250654 * 2; 628.31853071796 = M_PI * 200; 314.15926535898 = M_PI * 100; 206.15528128088 = 412.31056256177 -206.15528128088; 0.69033221737237 = sin (43.65641250654 * M_PI / 180); 569.26252979862 = 2 * 412.31056256177 * 0.69033221737237; 284.63126489931 = 2 * 206.15528128088 * 0.69033221737237; 0.72349252218509 = cos (43.65641250654 * M_PI/180); 114.0069537304 = 412.31056256177 * (1 - 0.72349252218509); 57.003476865199 = 206.15528128088 * (1 - 0.72349252218509) ; 149.15180441568 = (412.31056256177 - 206.15528128088) * 0.72349252218509; 263.15875814608 = 412.31056256177 - 206.15528128088 * 0.72349252218509;
