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1. |
Three solid of cubes of sides 1cm, 6cm and 8 cm are melted to form a new cube. Find the total surface area of the cube so formed. |
A. | 128 cm2 |
B. | 346 cm2 |
C. | 486 cm2 |
D. | 524 cm2 |
Answer» D. 524 cm2 | |