so XX puting XXX values in XXX XXXXXXX,
XXXX= XX/X * h * h* h ( as h=r)
&XX; XXXX*(7/XX) = h*h*h
&XX; h^3 = 343
> h=X
so XXX XXXXX of XXX XXX tank is 7cm.
b)XXXX,
XXXXXX=XXX
breadth=5m
perimeter XX XXX XXXXXXXXX is = 2*(length + XXXXXXX)
so, XXXXXXXXX=X*(XX+X)= 2*15=30m
X)
so, x= 44/15