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which equation can be used to find the area of a circle with a diameter of 12. use 3.14 for pie.

Guest May 4, 2017
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area of a circle = π * radius2

 

radius = 1/2 * diameter

radius = 1/2 * 12

radius = 6

 

area of this circle = π * 62

area of this circle = 36π

area of this circle ≈ 36(3.14) = 113.04 square units

hectictar  May 4, 2017

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