Formula to calculate area - circumference of a circle

The formula for calculating the area and circumference of a circle is a basic knowledge to grasp. You can apply this knowledge throughout your study time and in the future academic programs.

Formula to calculate area - circumference of a circle Picture 1

In this article, TipsMake.com will reintroduce effective circular area and circumference formulas for learning and work.

1. Area of ​​a circle

The area of ​​the circle is calculated by the size of the circle occupying a certain surface.

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The area of ​​a circle is calculated according to the formula: Squared radial circle multiplied by PI

Inside:

1. S is the area of ​​the circle
2. R is a circle radius
3. D is the circle diameter
4. Formula to calculate area - circumference of a circle Picture 5 is the constant value 3.14 .

2. Circumference of the circle

The circumference of a circle or circle is the boundary boundary of a circle.

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The circumference of the circle is calculated according to the formula: Multiply diameter with PI or 2 times of PI nuclear radius.

Inside:

1. C is the circumference of the circle
2. R is a circle radius
3. D is the circle diameter
4. Formula to calculate area - circumference of a circle Picture 9 is the constant value 3.14 .

Above are common circle and perimeter formulas. If you have any questions or suggestions, please leave a comment below to discuss with TipsMake.com.