To find the area of a circle using this rule
[tex]\begin{gathered} A=\pi r^2 \\ \end{gathered}[/tex]Where r is the radius of the circle
Since the diameter of the pizza is 15-inch
The radius = 1/2 diameter
[tex]r=\frac{1}{2}\times15=7.5[/tex]So the radius is 7.5 inches
Let us substitute it in the rule and use pi = 3.14
[tex]A=3.14(7.5)^2=176.625[/tex]Round it to the nearest whole number
So the area of the crust = 177 square inches
answer b
