1cm
3cm
5cm
6cm
Correct answer is C
Volume of a cube with side a cm = a3
a3 = 64 ⟹ a = 4cm
Base area of a cube = a2
= 42
= 16 cm2
⟹ Base area of the cuboid = 16 cm2
Volume of cuboid = Base area x height
80 = 16 x h
h = 8016
= 5 cm
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