Circle Calculator
Enter the radius of the circle to calculate its area, circumference, and diameter.
Steps for Calculation
- Input Radius:
- Enter the radius of the circle (e.g.,
5).
- Enter the radius of the circle (e.g.,
- Calculate:
- Click the Calculate button to compute the area, circumference, and diameter.
- View Result:
- The calculated area, circumference, and diameter will be displayed below the button.
Detailed Description
- Area:
- The area of a circle is calculated using the formula:Area=πr2Area=πr2Where rr is the radius of the circle.
- Example: For a radius of
5, the area is π×52≈78.54π×52≈78.54.
- Circumference:
- The circumference of a circle is calculated using the formula:Circumference=2πrCircumference=2πrWhere rr is the radius of the circle.
- Example: For a radius of
5, the circumference is 2×π×5≈31.422×π×5≈31.42.
- Diameter:
- The diameter of a circle is calculated using the formula:Diameter=2rDiameter=2rWhere rr is the radius of the circle.
- Example: For a radius of
5, the diameter is 2×5=102×5=10.
Example Calculation
For a radius of 5:
- Area: π×52≈78.54π×52≈78.54
- Circumference: 2×π×5≈31.422×π×5≈31.42
- Diameter: 2×5=102×5=10
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