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12-11-2018
Mathematics

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What is the area of a circle with inner radius of 2 cm and outer radius is 4 cm

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deboada35 deboada35

12-11-2018

the area of a circle is given for the equation A = pi*r^2,
for a radius of 2 cm , A = 3,1416*(2)^2 = 12,56 CM2
For a radius of 4 cm A = 3,1416* (4)2= 50,26 CM2

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