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 Chapter 14.1 Solutions
Class 9 Ganita Manjari Part 2 Chapter 14 Page 125 Question Answer
Let the edge length of the cube be a. Since volume is given by the formula V = a³, we have a³ = 64 cm³, giving side a = 4 cm. The total surface area of a cube consists of six identical square faces, calculated using TSA = 6a². Substituting the side length gives TSA = 6 × (4 cm)² = 6 × 16 cm² = 96 cm².
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