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