find the volume of a cube whose lateral surface area is 196 m
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Answered by
11
let L be the side of cube :-
> Now ,
LSA of cube = 4L²
• 196 = 4L²
• 196/4 = L²
• 49 = L²
• L = 7m
Now ,
Volume of cube = L³
= V = 7³ = 343 m³
> Now ,
LSA of cube = 4L²
• 196 = 4L²
• 196/4 = L²
• 49 = L²
• L = 7m
Now ,
Volume of cube = L³
= V = 7³ = 343 m³
Answered by
4
L.S.A of a cube=4a^2
4a^2=196(given)
a^2 = 196/4
a^2 = 49
a = 7
Volume of a cube = a^3
= 7×7×7
= 343m^3
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