so by XXXXXX XXX XXXXXX in XXX formula,
1078= XX/7 * h * h* h ( XX h=r)
> XXXX*(7/22) = h*h*h
&XX; h^3 = XXX
&XX; h=7
so the XXXXX XX XXX XXX tank XX 7cm.
b)XXXX,
length=XXX
XXXXXXX=5m
perimeter XX XXX rectangle is = 2*(XXXXXX + XXXXXXX)
so, perimeter=2*(10+X)= 2*XX=30m
X)
so, x= 44/15