so by puting XXX values in the formula,
XXXX= XX/7 * h * h* h ( as h=r)
&XX; 1078*(7/22) = h*h*h
&XX; h^X = 343
> h=X
so the XXXXX XX the XXX XXXX XX XXX.
b)here,
XXXXXX=10m
XXXXXXX=5m
XXXXXXXXX XX XXX rectangle is = 2*(length + breadth)
so, XXXXXXXXX=2*(10+5)= 2*15=30m
4)
so, x= 44/XX