Question

the most popular pizza at pavones pizza is the 10 inche personal pizza with one topping what is the area of a pizza with a diameter of 10 inches (area of circle)

Answer 1

78.54in^3

A=1/2pid^2<---------------Formula

Always you the formula 

Answer 2

diameter/2=radius
area=pir^2

d=10
d/2=10/2=5=r
area=pi5^2
area=pi25
area=25pi in^2
if you want
aprox pi=3.141529
area=78.5398 in^2
round if nececary