You want to make a rectangular dog pen using 20 yards of fencing. The side lengths must be in whole yards. Create as many different rectangular pens as you can.
Part 2:
Which dog pen gives your dog the most space to run around and play in? Write a sentence explaining how you know.
Part 3:
You want to build the rectangular dog pen with 20 yards of fencing against your house which is 20 yards wide. Which dimensions will give you the most space for your dog?
Part 4:
One of your friends just got a puppy. She is going to buy fencing with her parents this weekend to build her own pen. Explain to her how to design the fence so that her puppy will have the biggest pen possible, as well as how you know it will be the biggest pen possible.
