3 small cubes have the sides 3cm, 4cm, 5cm respectively. These are melted to form a large cube. Find the ratio of total surface area of the smaller cubes to that of the larger cube.
Answer Posted / ajay naykar
25:18
as total surface area of small cubes is 6 (9+16+25)=300
total surface area of new big cube= 6 (6x6)
= 216
ratio = 300:216
=25:18
Is This Answer Correct ? | 9 Yes | 2 No |
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