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05-05-2017
Mathematics

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A circle has an area of cm2. What is its radius?

1 cm
2 cm
cm
can't be determined

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IntelligenceCallsMe IntelligenceCallsMe

05-05-2017

The area of a circle can be represented by A= [tex] \pi r^{2} [/tex].
Just substitute giving you 2=[tex] \pi r^{2} [/tex]. Then find the square root. In the end, you get 0.797885.

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