Question

The pizza has a diameter of 12 inches. What is the closest to the area of the pizza?
a. 432 square inches
b. 168 square inches
c. 108 square inches
d. 72 square inches

Answer 1

Area of a circle = pi*r^2, 2r = diameter

Answer 2

2*3.14*6

Answer 3

ohhh yup ur right

Answer 4

2pi r

Answer 5

@danny_dumond You posted the formula for the circumference, not the area.

Answer 6

Cool. I keep forgetting to multiply by 2....thanks guys. C=pi*d Area of a circle=A=pi*r^2

Answer 7

yes i just realized sorry

Answer 8

2r = diameter
r = (diameter/2)
\[\pi*(\frac{diameter}{2})^{2} = \]

Answer 9

Did you get 113.04?

Answer 10

Yep. If you use 3 as pi you'll get 108.

Answer 11

Thanks!!!

Answer 12

No problemo