find the side of cube when its total surface area is 486 CM 2. Also find its volume
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Surface area=6(a*a)
486=6(a*a)
486/6=a*a
81=a*a
a=√81
a=9
Volume=a*a*a=9*9*9=729cm3
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total surface area of cube -6a^2
486=6×a^2
486÷6=a^2
81=a^2
√81=a
9cm
side is 9cm
volume of cube =a^3
9^3
729cm^3
i think this is help you a lot
Thanks
486=6×a^2
486÷6=a^2
81=a^2
√81=a
9cm
side is 9cm
volume of cube =a^3
9^3
729cm^3
i think this is help you a lot
Thanks
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