The lateral surface area of a cuboid with dimensions 12 cm × 9 cm × 5 cm is
The lateral surface area of a cuboid with dimensions 12 cm × 9 cm × 5 cm is
A) 540 cm2
B) 210 cm2
C) 426 cm2
D) 213 cm2
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Correct option is (B) 210 cm2
Lateral surface area of cuboid \(=2\,(l+b)h\)
\(=2\,(12+9)\times5\)
\(=10\times21\) = \(210\,cm^2\)
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