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What is the total surface area of a sphere with a radius of 7 cm? (Use π = 3.14)

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Question: What is the total surface area of a sphere with a radius of 7 cm? (Use π = 3.14)

Options:

  1. 615.44 cm²
  2. 153.86 cm²
  3. 308 cm²
  4. 154 cm²

Correct Answer: 615.44 cm²

Solution: 

Surface Area = 4πr² = 4 * 3.14 * 7² = 615.44 cm²

What is the total surface area of a sphere with a radius of 7 cm? (Use π = 3.14)

Practice Questions

Q1
What is the total surface area of a sphere with a radius of 7 cm? (Use π = 3.14)
  1. 615.44 cm²
  2. 153.86 cm²
  3. 308 cm²
  4. 154 cm²

Questions & Step-by-Step Solutions

What is the total surface area of a sphere with a radius of 7 cm? (Use π = 3.14)
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