program Menghitung_Luas_lingkaran ;
uses WinCrt;
var
r:integer;
L:real;
begin
writeln;
writeln;
writeln('Menghitung Luas Lingkaran');
writeln;
writeln('Kelompok Absen 6 s/d 10');
writeln;
writeln('-------********--------');
write('Masukkan nilai jari-jari : '); readln(r);
writeln;
L:=22/7*r*r;
writeln('Luas lingkaran = ',L:10:2);
writeln;
Writeln('-----terimaksih------');
writeln;
writeln;
writeln;
writeln;
end.
selamat mencoba..:)

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