The the volume of a cuboid is 840 cm3 If its length is 14 cm and breadth is 5 cm find the total surface area
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Answer:
470 cm
Step-by-step explanation:
Volume of cuboid = l × b × h
l = 14cm
b = 5cm
h = ?
volume = 840 cm²
14 × 5 × h = 840
70 × h = 840
h = 840/70 = 12
TSA = 2 (lb+bh+hl)
= 2 (70 + 60 + 168)
= 2 (235)
= 470
Therefore, we can say TSA is 470 cm
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