Explanation

The surface area of a $(10cm\times 4cm\times 3cm)$ brick is 164 cm^2

Solution

The surface area of a brick of measure

10cm×4cm×3cm

=2(l×b+b×h+h×l)

=2[10×4+4×3+3×10]cm2

=2[40+12+30]=82×2

=164cm2

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ND10-12-2022