The advertised size of a pizza is the diameter of the pizza. Which is CLOSEST to the area of the crust of a 15-inch pizza

A.707 square inches
C.177 square inches
C.225 square inches
D.47 square inches

2 answers

A = πr^2 = (15/2)^2 * π = ____
area = (15/2)^2π
= 225/4 π
= 56 1/4 π, wo we have appr 56*3
well 56*3 = 168
since we dropped the 1/4 and decimal part of π
168 is a bit below the actual answer.
The choice coming closest to this is 177

and look ma, no calculators were used in this little game.