program Rectangle;vara, b, x, S, P: integer;beginwrite('Enter the difference between the sides: ');readln(x);
write('Enter the length of the longer side: ');readln(a);
b := a - x;
S := a b;P := 2 (a + b);
writeln('Area of the rectangle: ', S);writeln('Perimeter of the rectangle: ', P);end.
program Rectangle;
var
a, b, x, S, P: integer;
begin
write('Enter the difference between the sides: ');
readln(x);
write('Enter the length of the longer side: ');
readln(a);
b := a - x;
S := a b;
P := 2 (a + b);
writeln('Area of the rectangle: ', S);
writeln('Perimeter of the rectangle: ', P);
end.