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Mathematics 30 Online
OpenStudy (anonymous):

the circumferences of two circles are in the ratio of 3:5. what is the ratio of the area of the smaller circle to the area of the larger circle

OpenStudy (anonymous):

what do u mean "are in the ratio"?

OpenStudy (imstuck):

Circumferences are a one-to-one measure, while area is squared to squared. If the ratio of the circumferences are 3:5, the ratio of their areas is 3^2:5^2, which is 9:25

OpenStudy (anonymous):

the ratio of the smaller circles circumference to the larger circles circumference is 3:5

OpenStudy (anonymous):

thanks

OpenStudy (anonymous):

ohh ok, wow @IMStuck you beat me to it!

OpenStudy (imstuck):

You're welcome! Area is squared-to-squared, and volume is cubed to cubed. Perimeter is also one-to-one. If you're in Geometry, you will probably be doing something like that next!

OpenStudy (imstuck):

TY for the medal!

OpenStudy (anonymous):

you wingspan, stolen!

OpenStudy (anonymous):

@IMStuck

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