This worksheet will help students deepen their understanding of finding the perimeter of a polygon when not all information is given. This worksheet should be used after perimeter has been taught and when you are moving into finding the missing side of a polygon based on the information given.
There are 2 versions of the worksheet. They could be used as a pre and post assessment or work through one in class and give the other as homework.
Please let me know if you find any errors or have any questions.
Thank you and enjoy!