$mw->Radiobutton(
    -text     => "Beispiel Radio", 
    -font     => "Arial 20",
    -variable => \$antwort,
    -value    => "A",
    -bg       => "Cyan",
    -activebackground => "yellow",
)->place(
    -x      => 0,
    -y      => 0,
    -height => 20,
    -width  => 200
);