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variant2

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Apr 8th, 2020
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  1. program variant2;
  2.     var a,b,c,p,geron: real;
  3. begin
  4.   writeln('Введите : ');
  5.   readln(a);
  6.   writeln('Введите : ');
  7.   readln(b);
  8.   writeln('Введите : ');
  9.   readln(c);
  10.  
  11.   p:=(a+b+c)/2;
  12.  
  13.   geron:=sqrt(p*(p-a)*(p-b)*(p-c));
  14.  
  15.   writeln('Площадь треугольника равна: ', geron);
  16. end.
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