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11-03-2018
Mathematics

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A circle has an area 324 pi cm. What is the radius?

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Аноним Аноним

11-03-2018

area of circle = [tex] \pi r^{2} [/tex]

if area is given as [tex]324 \pi [/tex]
then r² = 324
r = √324
r = 18 cm

Ans: The radius is 18 cm

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