How to Calculate the Area of a Circle with a Diameter of 16

Learn how to find the area of a circle with a diameter of 16 using the radius and the area formula.

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To find the area of a circle with a diameter of 16, use the formula Area = πr². First, calculate the radius by dividing the diameter by 2, giving a radius of 8. Then apply the formula: Area = π × 8², which simplifies to Area ≈ 3.14 × 64 ≈ 201.06 square units. Therefore, the area of a circle with a diameter of 16 is approximately 201.06 square units.

FAQs & Answers

  1. What is the formula to calculate the area of a circle? The formula to calculate the area of a circle is Area = πr², where r is the radius.
  2. How do you find the radius from the diameter? The radius can be found by dividing the diameter by 2.
  3. What does π represent in the area of a circle calculation? π (pi) is a mathematical constant approximately equal to 3.14, used in calculations involving circles.
  4. What is the area of a circle with a diameter of 20? To find the area, first calculate the radius (10), then use the formula: Area = π × 10² ≈ 314.16 square units.

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For more insights into geometry and mathematical formulas, check out our tutorials on calculating areas and understanding geometric shapes. Expand your math skills today!

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