Volume of a cube with side a cm = a3^33
a3^33 = 64 ⟹ \implies⟹ a = 4cm
Base area of a cube = a2^22
= 42^22
= 16 cm2^22
⟹ \implies⟹ Base area of the cuboid = 16 cm2^22
Volume of cuboid = Base area x height
80 = 16 x h
h = 8016\;\frac{80}{16}1680
= 5 cm
