The original cube’s surface area is 6 × 4² = 96 cm². Cutting it yields 64 unit cubes with total surface area 64 × 6 = 384 cm². The ratio is 96 : 384, simplifying to 1 : 4. Class 9 ...
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Given the volume is 64 cm³, the side length of the cube is the cube root of 64, which equals 4 cm. Using the formula 6a², the total surface area is 6 × 16 = 96 cm². Ganita Manjari part 2 ...