Question

Urgent!!!! Elaborati un program in PASCAL pentru:

Answer 1

program ArieTriunghi;

var a,b,c,s:real;

procedure Heron(a,b,c:real; var s:real);

var p: real;

begin

  p:=(a+b+c)/2;

  s:=sqrt(p*(p-a)*(p-b)*(p-c));

end;

begin {programul principal}

 write('a='); read(a);

 write('b='); read(b);

 write('c='); read(c);

 Heron(a,b,c,s);

 writeln(' Aria triunghiului= ', s);

end.