Identify \(\text{every}~\text{card}\) with the same boundary length as a rectangle that is \(9~\text{cm}~by~4~\text{cm}\).

Cards:
• A triangle with side lengths \(13~\text{cm},~7~\text{cm},~\text{and}~6~\text{cm}\)
• A square with side length \(6.5~\text{cm}\)
• A circle with diameter \(8~\text{cm}\)
• The expression \(2(9~+~4)\)
• A pen with side lengths \(5~\text{cm},~8~\text{cm},~5~\text{cm},~\text{and}~8~\text{cm}\)
• A regular octagon with side length \(3~\text{cm}\)
• A rectangle with side lengths \(10~\text{cm}~\text{and}~3~\text{cm}\)