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- program variant2;
- var a,b,c,p,geron: real;
- begin
- writeln('Введите : ');
- readln(a);
- writeln('Введите : ');
- readln(b);
- writeln('Введите : ');
- readln(c);
- p:=(a+b+c)/2;
- geron:=sqrt(p*(p-a)*(p-b)*(p-c));
- writeln('Площадь треугольника равна: ', geron);
- end.
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