the cubical water tank is filled in 1296seconds at rate 1 litre per 6 seconds.
i.) calculate internal volume and length of side of tank.
ii.)calculate total internal surface area of tank.
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Answer:
Volume of tank :
6 sec = 1 litre
1296 by 6 = 213
It call fill 213 litre in 1296 sec
Volume = 213 litre ³
Now, length of cubical tank :
Formula = side ³ of volume
So, side³ = 213
=71
71 is length
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