the volume of 2 spheres are in the ratio 64 is to 27 find the difference of their surface areas if the sum of the radius 7 cm
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radius of first sphere = 4 cm
radius of second sphere = 3 cm
tsa of sphere 1 = 4*22/7*4*4*4 = 804.57 app.
tsa of sphere 2 = 4*22/7*3*3*3 = 339.44 app.
difference in surface areas = 465.14
radius of second sphere = 3 cm
tsa of sphere 1 = 4*22/7*4*4*4 = 804.57 app.
tsa of sphere 2 = 4*22/7*3*3*3 = 339.44 app.
difference in surface areas = 465.14
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