Калькулятор жестянщика.
расчет развертки:
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;