Question:
Find the lateral surface area and total surface area of a cube of edge 10 cm.
Solution:
Cube of edge (a) = 10 cm
We know that,
Cube Lateral Surface Area $=4 a^{2}$
= 4(10*10)
$=400 \mathrm{~cm}^{2}$
Total Surface Area $=6 a^{2}$
$=6^{*} 10^{2}$
$=600 \mathrm{~cm}^{2}$
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