Problema Solution
To make a pizza, you spread pizza sauce over all but a 1-inch area around the outside edge. What area of the crust is covered with sauce? (the pizza is 16 inches.)
Answer provided by our tutors
we assume that the pizza is a circle with radius: r = 16 in
the area of the crust that is covered with sauce is also a circle with radius: r1 = r - 1 = 16 - 1 = 15 in
the area of a circle with radius r1 = 15 in is:
A = r1^2*pi
A = 15^2*pi
A = 225 pi (pi = 3.14)
A = 706.5 in^2
the area of the crust that is covered with sauce is 706.5 in^2.