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What is the area of a circle with a radius of 10?

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Question: What is the area of a circle with a radius of 10?

Options:

  1. 100π
  2. 50π
  3. 25π
  4. 200π

Correct Answer: 100π

Solution: 

The area of a circle is given by A = πr², so A = π(10)² = 100π.

What is the area of a circle with a radius of 10?

Practice Questions

Q1
What is the area of a circle with a radius of 10?
  1. 100π
  2. 50π
  3. 25π
  4. 200π

Questions & Step-by-Step Solutions

What is the area of a circle with a radius of 10?
  • Step 1: Understand that the area of a circle can be calculated using the formula A = πr².
  • Step 2: Identify the radius of the circle, which is given as 10.
  • Step 3: Substitute the radius into the formula: A = π(10)².
  • Step 4: Calculate (10)², which is 100.
  • Step 5: Now substitute back into the formula: A = π(100).
  • Step 6: This simplifies to A = 100π.
  • Area of a Circle – The area of a circle is calculated using the formula A = πr², where r is the radius.
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