Tina made a 9-inch apple pie, which she cut into 8 slices. tina and 2 of her friends each ate a piece of pie. what is the approximate area of the
remaining pie?
a. 18 in ²
b. 24 in ²
c. 40 in ²
d. 159 in ²

First let's find the total area of the pie.

Area = pi x r^2
A = 3.14 x 4.5^2
A = 63.585 in^2

Now let's look at how much was eaten. If Tina cut the pie into 8 slices, and 3 people ate a slice of pie, then 3/8 of the pie was eaten meaning that 5/8 of the pie remains.

5/8 x 63.585 = 39.7in^2

This rounds to 40in^2 which is answer choice C.

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