Formula to calculate area - circumference of a circle

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

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.

Picture 1 of Formula to calculate area - circumference of a circle

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.

Picture 2 of Formula to calculate area - circumference of a circle

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

Picture 3 of Formula to calculate area - circumference of a circle
Or
Picture 4 of Formula to calculate area - circumference of a circle

Inside:

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

Picture 6 of Formula to calculate area - circumference of a circle

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

Picture 7 of Formula to calculate area - circumference of a circle
Or
Picture 8 of Formula to calculate area - circumference of a circle

Inside:

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

Update 29 May 2019
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