Question

Write and evaluate an expression for the area of a circular pizza.

Answer 1

Area is the PRODUCT (multiply!) of the SQUARE of the radius and pi.

$A=\pi r^2$

In the diagram, the radius of the pizza is 7 in., so use r = 7.

$A = (3.14)(7^2) = (3.14)(49) = 153.86$ square inches.