Attach a pic please
that would help
By doing long division. Answer is 7/135
You add of the sides to get the perimeter.. 9 plus 9 is 18 and 5 plus 5 is 10. 10 plus 18 of 28. The perimeter of ABCD is 28.
I hope this helps.
$14.25 is the total answer. Take $42.75 and divide it by 3.
