$a=4\text{ cm},b=7\text{ cm}a=4~\backslash text\{cm\},~b=7~\backslash text\{cm\}$

$a=5\text{ cm},b=6\text{ cm}a=5~\backslash text\{cm\},~b=6~\backslash text\{cm\}$

$a=1\text{ cm},b=22\text{ cm}a=1~\backslash text\{cm\},~b=22~\backslash text\{cm\}$

$a=11\text{ cm},b=2\text{ cm}a=11~\backslash text\{cm\},~b=2~\backslash text\{cm\}$