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A sphere of radius 5 cm just fits inside a cube (touching all faces).
The edge of the cube equals the diameter of the sphere.
Find, to the nearest whole number, how much larger the cube's total surface area is than the sphere's surface area (take π = 3.14). (CSA = curved surface area, TSA = total surface area)

Class 9Surface Area of a SphereMensuration
  • A
  • B
  • C
  • D

Step-by-Step Solution

Cube edge = cm. Cube TSA . Sphere SA . Difference .
Answer: A)

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