How to Calculate the Area of a Circle: 12-Inch Diameter Example

Learn how to find the area of a circle with a 12-inch diameter using a simple formula.

62 views

The area of a 12-inch diameter circle is 113.1 square inches. You can calculate this using the formula: Area = π (radius)^2. Since the diameter is 12 inches, the radius is 6 inches. So, Area = 3.14159 (6^2) = 113.1 square inches.

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 = π (radius)^2.
  2. How do you find the radius of a circle from its diameter? To find the radius, divide the diameter by 2.
  3. Why is π significant in circle calculations? π is a mathematical constant representing the ratio of a circle's circumference to its diameter, crucial for calculations involving circles.
  4. What is the area of a circle with a 10-inch diameter? The area of a circle with a 10-inch diameter is approximately 78.5 square inches.

Watch More

For more math tutorials and tips on geometry, check out our videos on calculating areas of different shapes.

  1. How to Calculate the Area of a Circle with a 12 Diameter Learn how to find the area of a circle with a 12 diameter using the formula A = πr².
  2. Calculating the Circumference of a Circle: Diameter 12 Explained Learn how to calculate the circumference of a circle with a diameter of 12 using the formula C = πd.
  3. How to Calculate the Area of an 8-Inch Diameter Circle Learn how to compute the area of an 8-inch diameter circle using the formula. Easy step-by-step guide for math enthusiasts.
  4. How to Calculate the Area of a Circle with a 14-Inch Diameter Learn how to find the area of a circle with a diameter of 14 inches using the formula and step-by-step calculation.
  5. Calculate the Area of a Circle with an 8 cm Diameter Learn how to find the area of a circle with an 8 cm diameter using the formula Area = π * (radius)^2.
  6. How to Calculate the Area of a Circle with an 18 cm Diameter Discover the step-by-step method to find the area of an 18 cm diameter circle using the formula A = πr².