parrmeagan parrmeagan

07-05-2018
Mathematics

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What is the exact area of a circle having the diameter of 6in A:9 pie B: 36pie C: 6 pi D: 3pie

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choixongdong choixongdong

07-05-2018

Area of circle = pi r^2
r = 6/2 = 3
so
A = pi (3)^2 = 9pi

answer
A. 9 pi

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