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Program Q2;
const pi =3.1416 ;
var radius, area ,circum :real ;
begin
write('Input the radius :');
readln(r) ;
area := r^2 *pi ;
circum := 2*r*pi ;
writeln(' Circumference = ' circum :2:2 ) ;
writeln(' Area = 'area :2:2 ) ;
end.
