How much can be placed on a circular serving tray that has a diameter of 18 in? leave answer in terms of pi. a) 9π in2 b) 18π in2 c) 36π in2 d) 81π in2

For this case we have that by definition, the area of a circle is given by:

Where,

We have then that the radio is given by:

Where,

Substituting values we have:

Then, calculating the area we have:

on a circular serving tray that has a diameter of 18 in can be placed:

step-by-step explanation:

the least common denominator is 40