The circumference is given. Find the area of a circle bounded by this circle. Use 3.14 for Pi. The program is in pascal.

univerkov | November 27, 2020 | education

var
i,dlina, s, r :real;
begin
readln(dlina);
r:= dlina/(2*3.14);
s:= 3.14*sqr(r);
writeln(s);
end.

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