program AreaOfTriangle;
vara, b, c, s, area: Real;
beginWrite('Enter the length of side a: ');Readln(a);
Write('Enter the length of side b: ');Readln(b);
Write('Enter the length of side c: ');Readln(c);
s := (a + b + c) / 2; // Semi-perimeter of the triangle
area := Sqrt(s (s - a) (s - b) * (s - c)); // Heron's formula for calculating the area of a triangle
Writeln('The area of the triangle is: ', area:0:2);
Readln;end.
program AreaOfTriangle;
var
a, b, c, s, area: Real;
begin
Write('Enter the length of side a: ');
Readln(a);
Write('Enter the length of side b: ');
Readln(b);
Write('Enter the length of side c: ');
Readln(c);
s := (a + b + c) / 2; // Semi-perimeter of the triangle
area := Sqrt(s (s - a) (s - b) * (s - c)); // Heron's formula for calculating the area of a triangle
Writeln('The area of the triangle is: ', area:0:2);
Readln;
end.