The surface area of a cuboidal box is 240 cm2 and the length of its di – McqOptions

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1.	The surface area of a cuboidal box is 240 cm2 and the length of its diagonal is 11 cm. What is the sum (in cm)of its length, breadth and depth?
A.	21
B.	19
C.	20
D.	17
Answer» C. 20

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