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Total Surface Area of Cuboid

The dimension...

Question

The dimensions of a cuboid in cm are $16 \times 14 \times 20$ . Find its total surface area.

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Solution

Given:
Length, l = 16 cm
Breadth, b = 14 cm
Height, h = 20 cm
Thus, we have:
Surface area of the cuboid = 2(lb + bh + hl)
= 2(16 × 14 + 14 × 20 + 20 × 16) cm²
= 2(224 + 280 + 320) cm²
= 1648 cm²

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