Var h,c,c1,c2,pi,s,a,b,P,al,be,ga,ga1,ga2:double;Beginal:=30;pi:=3.1415926;h:=10;c:=25;b:= h/sin(al*pi/180);s:= h *c/2;C2:= b* cos(al*pi/180);c1:= c - c2;ga1:= ArcTan(c1/h)*180/pi;ga2:= 90 - al;ga:= ga1 + ga2;a:= c1/sin(ga1*pi/180);P:= a + b + c;writeln('b =',b:4:1,' a =', a:5:1,' P =', P:5:1,' s =', s:5:1);writeln('ga1 =', ga1:6:4, ' ga2 =', ga2:6:4, ' ga =', ga:6:4);end.