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A cuboidal block has a square base of side 6 cm and a height of 10 cm.
Find its total surface area.

Class 8Surface Area of Cuboid and CubeMensuration

A282
B342
C624
D312

Step-by-Step Solution

l = b = 6, h = 10

. TSA =

2 (6 \times 6 + 6 \times 10 + 10 \times 6) = 2 (36 + 60 + 60) = 2 \times 156 = 312

sq cm.

Answer: D) 312

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