To solve this problem, we begin by getting the whole area of the pizza. Because pizzas are depicted to be round, we will be getting the area of a circle.
The formula for getting the area of a circle: A = Pi * r^2
Pans are measured by their diameter, but we need the radius. The radius is simply half of the diameter.
8 / 2 = 4.
Now we have our radius.
Plug in our values.
A = 3.14 * 4^2
Take care of 4^2
A = 3.14 * 4^2 = 3.14 * 4 * 4 = 3.14 * 16
Now just multiply 3.14 and 16 together.
3.14 * 16 = 50.24
Ok, now we need to get the area for an individual slice of pizza. The pizza is cut up into 5 slices.
So, each slice would be 1/5 of the total area.
50.24 * 1/5
To make our lives easier, convert 1/5 into a decimal. Just divide the top by the bottom.
1 / 5 = 0.2
50.24 * 0.2 = 10.048
Now we need to round this to nearest inch.
10.048 ≈ 10
So, each slice of pizza has an area of 10 square inches.
