Question
Find the surface area of a cube whose edge is: $1.2m$
✓
Answer
Edge of the cube $(a) = 1.2m$
$\therefore$ Surface area $= 6a^2= 6 × (1, 2)^2m^2$
$= 6 × 1.44 = 8.64m^2$
$\therefore$ Surface area $= 6a^2= 6 × (1, 2)^2m^2$
$= 6 × 1.44 = 8.64m^2$
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