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Mathrocks4me
 2 years ago
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
Mathrocks4me
 2 years ago
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

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Wired
 2 years ago
Best ResponseYou've already chosen the best response.2Area of a circle = pi*r^2, 2r = diameter

Wired
 2 years ago
Best ResponseYou've already chosen the best response.2@danny_dumond You posted the formula for the circumference, not the area.

Mathrocks4me
 2 years ago
Best ResponseYou've already chosen the best response.0Cool. I keep forgetting to multiply by 2....thanks guys. C=pi*d Area of a circle=A=pi*r^2

danny_dumond
 2 years ago
Best ResponseYou've already chosen the best response.0yes i just realized sorry

Wired
 2 years ago
Best ResponseYou've already chosen the best response.22r = diameter r = (diameter/2) \[\pi*(\frac{diameter}{2})^{2} = \]

Mathrocks4me
 2 years ago
Best ResponseYou've already chosen the best response.0Did you get 113.04?

Wired
 2 years ago
Best ResponseYou've already chosen the best response.2Yep. If you use 3 as pi you'll get 108.
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