No, because the volume of a sphere = 4/3*pi*radius3 in cubic units
But the surface area of a sphere = 4*pi*radius2 in square units
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The equation to find the volume of a rectangular object is (a) volume equals length times width times height.
LXWXH= volume find the mass and divide it with the volume mass divided by volume equals density
If the ratio of the radii is 1:3 then the ratio of volumes is 1:27.
To find the volume, multiply by the height x length x width. 7 x 5 x 21 = 735
The volume of a cube equals its side length cubed. In this case it is 4 inches3 which gives a volume of 64 cubic inches.