Question

total surface area of cube is 216 cm square. what will be its volume.

Answer 1

Tsa of cube =6a^2
216=6*a^2
216/6=a^2
36=a^2
6^2 =a^2
a=6

Volume of cube=a^3
=6^3
=216 cm^3...ans...

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Answer 2

TSA of cube is 6lsq
It is 216cmsq
therefore,
6lsq=216cmsq
lsq=216/6
lsq=36
taking sq root both the sides we get
l=6cm
now volume of cube,
=l cube
so, as l = 6

volume of cube =6 cube
=6*6*6=216cm cube

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