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Mathematics 18 Online
OpenStudy (anonymous):

Which expression can be used to find the area of a circle with a diameter of 60 cm? A. π · 60 B. π · 302 C. π · 602 D. π · 1202

OpenStudy (anonymous):

@iGreen.

OpenStudy (anonymous):

@iGreen.

OpenStudy (anonymous):

B

OpenStudy (anonymous):

hint: area = \[\pi r ^{2}\] diameter = r * 2

OpenStudy (anonymous):

Radius = 30 What's 30 * 30? @torifamelol

OpenStudy (anonymous):

900

OpenStudy (anonymous):

Yes, that's our answer.

OpenStudy (anonymous):

its not in choices

OpenStudy (anonymous):

Hmm..

OpenStudy (anonymous):

Idk..maybe there's something wrong with the question.

OpenStudy (anonymous):

@colt45AK How did u get ur answer..?

OpenStudy (anonymous):

@k_v8 can u help

OpenStudy (anonymous):

@k_lynn

OpenStudy (anonymous):

you typed it wrong its 30^2 not 302

OpenStudy (anonymous):

@torifamelol 30 squared is 900

OpenStudy (k_lynn):

well the area formula of a square is \[\Pi r ^{2}\] all you need to do is plug in the correct numbers.

OpenStudy (k_lynn):

does that make sense @torifamelol

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