P=72 feet
short sides= 16 feet
(I wrote that down to help me sorry)
First to solve this you need to add 16 and 16.
16+16=32
Then to find the longer legs you have to subtract 32 from 72.
72-32=40
Divide 40 by 2
40/2=20
Each long leg is 20 feet long
Check: 20+20+16+16= 72
