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Mathematics 20 Online
OpenStudy (anonymous):

Which circles have an area of 9pi m2? Choose all answers that are correct. A. a circle with a radius of 3 m B. a circle with a diameter of 6 m C. a circle with a radius of 9 m D. a circle with a diameter of 9 m Multiple Choice Question!

OpenStudy (countryboy15):

what do you think??

OpenStudy (countryboy15):

The area of a circle is pi * r^2. To help you get started checking options, A) a circle with a radius of 3 m Area = pi * 3^2 = 9 pi square meters.

OpenStudy (countryboy15):

i would say a and b what would you say ?????

OpenStudy (countryboy15):

@celty23sturluson

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