the advertised size of a pizza is the length if its diameter.

what is the area of the crust of a 12in pizza ?

A = pi * r^2

A = 3.14 * 6^2

A = 3.14 * 36

A = ______ square inches

113 square inches

To find the area of the crust of a pizza, we need to calculate the area of the circular shape. The formula to find the area of a circle is A = πr^2, where A is the area and r is the radius of the circle.

Given that the advertised size of the pizza is the length of its diameter, we can determine the radius by dividing the diameter by 2.

In this case, the diameter is given as 12 inches, so the radius would be 12 inches / 2 = 6 inches.

Now, we can substitute the radius into the formula to find the area:

A = πr^2
A = π(6 inches)^2
A = π(36 square inches)
A ≈ 113.04 square inches

Therefore, the area of the crust of a 12-inch pizza is approximately 113.04 square inches.