Answers

The Brainliest Answer!
2016-03-31T18:00:15+05:30
4a^2=196 a^2=49 a=7 Volume of cube = a^3 = 7^3 = 49×7 =343m^3
3 4 3
2016-03-31T18:02:50+05:30
C.S>A> of cube = 4a²
Therefore, 
4*a²=196
a²=196/4=49
So, a=√49=7.
Volume of a cube,
=a³
=7*7*7
= 343 m³.

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Plz mark it as the brainliest answer, thank you