1.

The surface area of a 10cm × 4cm × 6cm brick is(a) 84cm2 (b) 124cm2 (c) 164cm2 (d) 180cm2

Answer»

(c) 164cm2

Explanation:

We know that total surface area of cuboid= 2(l b + b h + h l)

= 2 (40 + 30 + 12)

= 164



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