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What is the area of a circle with a diameter of 10 units?

Practice Questions

Q1
What is the area of a circle with a diameter of 10 units?
  1. 25π square units
  2. 50π square units
  3. 100π square units
  4. 75π square units

Questions & Step-by-Step Solutions

What is the area of a circle with a diameter of 10 units?
  • Step 1: Identify the diameter of the circle, which is given as 10 units.
  • Step 2: Calculate the radius of the circle. The radius is half of the diameter, so divide the diameter by 2: 10 units / 2 = 5 units.
  • Step 3: Use the formula for the area of a circle, which is Area = π * (radius^2).
  • Step 4: Substitute the radius into the formula: Area = π * (5^2).
  • Step 5: Calculate the square of the radius: 5^2 = 25.
  • Step 6: Multiply by π: Area = π * 25.
  • Step 7: Write the final answer: The area of the circle is 25π square units.
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