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Mathematics 9 Online
OpenStudy (anonymous):

If the ratio of the radii of two spheres is 6 : 5, what is the ratio of the surface areas of the two spheres?

OpenStudy (goformit100):

what is the formula of surface area of sphere????

OpenStudy (lgbasallote):

hint!! radius is measured in cm, m, etc area is measured in cm^2, m^2, etc therefore area is in square units therefore...the ratio of areas is equal to the squares of the ratio of the radii ;)

OpenStudy (anonymous):

thankyuu ")

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