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Total Surface Area of Cuboid

Areas of thre...

Question

Areas of three adjacent sides of a cuboid are a,b,c. Volume of the cuboid is N. The value of N² equals to?

abc

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(ab+ac+bc)

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√(a³ +b³ +c³)

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None of these

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Solution

The correct option is A abc
Assume sides to be x,y,z. Then xy=a, yz=b, xz=c.

Multiplying: (xyz)² = abc; =N². (Vol=xyz)

Hence Ans: (a)

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