I have to draw rectangles with a perimeter of 16 cm and I don't know

Rectangles with a perimeter of 16 cm could be
1 by 7
2 by 6
3 by 5
4 by 4

P = 2L + 2W

Thank you

You're welcome.

Here is page full of printable graphpaper, many of which are metric.

https://images.search.yahoo.com/search/images;_ylt=AwrB8qEruSJXTCoAA2KJzbkF;_ylu=X3oDMTBsZ29xY3ZzBHNlYwNzZWFyY2gEc2xrA2J1dHRvbg--;_ylc=X1MDOTYwNjI4NTcEX3IDMgRiY2sDMmxvc2lzMWJpMmcyZyUyNmIlM0Q0JTI2ZCUzRFVXU0JxaDlwWUZRcmVCSHNXR09BcVhOQTBoSk5vMWtJTjdZLSUyNnMlM0RtZCUyNmklM0RaTm5nTWM4djJrVlFJbDJTaER6eQRmcgNzcGlnb3QtbnQtZ2NtYWMEZ3ByaWQDMFpDbW90NW1UdWU4RjdLVUZZNGhDQQRtdGVzdGlkA251bGwEbl9zdWdnAzEwBG9yaWdpbgNpbWFnZXMuc2VhcmNoLnlhaG9vLmNvbQRwb3MDMwRwcXN0cgNjbSBHcmFwaCBQYXBlcgRwcXN0cmwDMTQEcXN0cmwDMjQEcXVlcnkDY20gZ3JhcGggcGFwZXIgcHJpbnRhYmxlBHRfc3RtcAMxNDYxODkzNDk0BHZ0ZXN0aWQDbnVsbA--?gprid=0ZCmot5mTue8F7KUFY4hCA&pvid=kvtSVzY5LjEq45LgVyFAUAz1NjcuNwAAAACV_3i6&p=cm+graph+paper+printable&fr=spigot-nt-gcmac&fr2=sa-gp-images.search.yahoo.com&ei=UTF-8&n=60&x=wrt#id=1&iurl=http%3A%2F%2Fwksec.wikispaces.com%2Ffile%2Fview%2F1_cm_grid_paper.JPG%2F104152821%2F1_cm_grid_paper.JPG&action=close

Thanks

I have to draw rectangles with a perimeter of 16 cm and I don't know how to do it.