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A cuboid has length 15 feet, breadth 12 feet, and height 10 feet. Find the total surface area of the cuboid.

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800 square feet

900 square feet

950 square feet

None of these

answer is B.

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Detailed Solution

From the question, we have Length (l) = 15 feet Breadth (b) = 12 feet
Height (h) = 10 feet
Total surface area = 2 [(lb)+(bh)+(hl)]
= 2 [(15

\times

12)+(12

\times

10)+(10

\times

15)]
= 2 [180+120+150]
= 2

\times

450
= 900 square feet.
Hence, the total surface area of the cuboid is 900 square feet.

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