Answer:
Formulate
Based on the given conditions, formulate:

Evaluate
Evaluate the equation/expression:
20.78461
SO THE ANSWER IS 20.78461
The biggest area a box can contain can be achieved by having the box be a square:<span><span>85<span>−−</span>√</span>≈9.21</span>As you can see, the largest pizza that can fit in such a box would be one with a diameter of 9.
D and C because that the answer
45.0,
the 4 rounds up to 5 because the 9 is a higher value of 5 or more
The answer would be A-72cm^2