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What is the surface area of a sphere with a radius of 3 cm?

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Question: What is the surface area of a sphere with a radius of 3 cm?

Options:

  1. 36π cm²
  2. 27π cm²
  3. 12π cm²
  4. 18π cm²

Correct Answer: 36π cm²

Solution:

Surface Area = 4πr² = 4π * 3² = 36π cm².

What is the surface area of a sphere with a radius of 3 cm?

Practice Questions

Q1
What is the surface area of a sphere with a radius of 3 cm?
  1. 36π cm²
  2. 27π cm²
  3. 12π cm²
  4. 18π cm²

Questions & Step-by-Step Solutions

What is the surface area of a sphere with a radius of 3 cm?
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