Answer:

Step-by-step explanation:
Collect like terms and calculate the sum
Its a number or ratio expressed as a fraction of 100
Let it be x
Using basic proportionality theorem




Hi there!
Since we know that 36 is 1/10 of 360, all we need to do is divide the total area (85) by 10. This gives us 8.5pi ft^2.
Hope this helps!! :)