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ICSE Class 10 Mathematics Question 34 of 49

Multiple-Choice Questions — Question 34

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Question

Question 34

A solid sphere with a radius of 4 cm is cut into 4 identical pieces by two mutually perpendicular planes passing through its center. Find the total surface area of one-quarter piece.

  1. 24π

  2. 32π

  3. 48π

  4. 64π

A solid sphere with a radius of 4 cm is cut into 4 identical pieces by two mutually perpendicular planes passing through its center. Find the total surface area of one-quarter piece. Maths Competency Focused Practice Questions Class 10 Solutions.
Answer

Total surface area of semi-hemisphere = 2πr2

= 2π × 42

= 2π × 16

= 32π.

Hence, Option 2 is the correct option.