The rectangular box has a wire frame work with a height of h cm and a
square base of side x cm. The framework is constructed of 12 pieces of wire,
of total length 60 cm.
h cm
x cm
x cm
a) Show that the height of the box in terms of x is (15-2x) cm
b) Find the volume of the box in terms of x.
traight drain and the other
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