A slice of pizza has an area of 13.5 sq inches. If the pizza has a radius of 9 inches, how many pizza slices make up the whole pie?

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01-06-2020
Mathematics

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A slice of pizza has an area of 13.5 sq inches. If the pizza has a radius of 9 inches, how many pizza slices make up the whole pie?

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clara92 clara92 · Answer 1 · 2020-06-01T16:11:22+02:00

clara92 clara92

01-06-2020

First find the area of the whole circle using the formula pi x r^2:

3.14 x 9 x 9 =

254.34

Then, divide 254,34 by 13.5 to get the number of slices:

254.34/13.5 =

18.84

That’s approximately 19 slices.

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