Question

The most popular pizza at Pavone's Pizza is the 10-inch personal pizza with one topping. What is the area of a pizza with a diameter of 10 inches? Round your answer to the nearest hundredth.

Answer 1

if the diameter is 10 the radius is 5 and the formula for area of a circle pie r squared so it be 

Answer 2

the area of a circle is r^2*PI -> d = 10inch -> r = 5inch --> r^2 * PI = 5 * 5 * 3.14159 = 78.54 in^2