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What is the area of a circle with a diameter of 10 cm? (2023)

Practice Questions

Q1
What is the area of a circle with a diameter of 10 cm? (2023)
  1. 25π cm²
  2. 50π cm²
  3. 75π cm²
  4. 100π cm²

Questions & Step-by-Step Solutions

What is the area of a circle with a diameter of 10 cm? (2023)
  • Step 1: Identify the diameter of the circle, which is given as 10 cm.
  • Step 2: Calculate the radius by dividing the diameter by 2. So, radius = 10 cm / 2 = 5 cm.
  • Step 3: Use the formula for the area of a circle, which is Area = πr².
  • Step 4: Substitute the radius into the formula. So, Area = π(5 cm)².
  • Step 5: Calculate (5 cm)², which is 25 cm².
  • Step 6: Multiply by π. So, Area = 25π cm².
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