1.

A right circular solid cylinder has radius of base 7 cm and height is 28 cm. It is melted to form a cuboid such that the ratio of its side is 2 : 3 : 6. What is the total surface area (in cm2) cuboid?

A. 215633
B. 215693
C. 214833
D. 204833
Answer» C. 214833


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