The sum of length, breadth and height of a cuboid is 21 cm and the length of its diagonal is 13cm. Find the surface area of the cuboid. Also find the cost of painting the surface at the rate of Rs. 1.40per cm square .
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this answer is given in the rs
Sharma book
Sharma book
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This answer is given in RS Agrawal book. Kindly check from there.
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