Answer:
Area of each slice of pizza is 28.27 square inches.
Explanation:
The formula calculating the area of circle is
A = π
where r is radius ( half of the diameter )
A =

A = 452.38934

pizza cut into 16 equal slices
Therefore 452.38934 ÷ 16 = 28.27433

So the total area of the pizza is 452.39 square inches and the area of each slices are 28.27 square inches approximately.