Question

The pizza order changed to a 14-inch pizza from a ten-inch pizza. Approximately how much did the area change after the change in diameter?

a. 4 square inches
b. 24 square inches
c. 25 square inches
d. 96 square inches

Answer 1

B.)

Explanation:

area of a 10 inch pizza: A=pi * r^2 = 25 pi

area of a 14 inch pizza : A= 49 pi

the change : 49pi - 25pi = 24 pi or about 75.39822