Question : Find the total surface area of the cuboid having a length of 23 cm, breadth of 18 cm, and height of 35 cm.
Option 1: 6541 cm2
Option 2: 2341 cm2
Option 3: 3698 cm2
Option 4: 5436 cm2
Correct Answer: 3698 cm 2
Solution :
Given: Length, l = 23 cm
Breadth, b = 18 cm
Height, h = 35 cm
The total surface area of the cuboid = 2(lb + bh + hl)
= 2(23 × 18 + 18 × 35 + 35 × 23)
= 2(414 + 630 + 805)
= 2 × 1849
= 3698 cm
2
Hence, the correct answer is 3698 cm
2
.
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