How To Find The Area Of A Circle

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Area of a circle formula with radius and diameter

Area Of A Circle Formula With Radius And Diameter

How to Calculate the Area The area of a circle is Pi times the Radius squared A r2 or when you know the Diameter A 4 D2 or when you know the Circumference A C2 4 Example What is the area of a circle with radius of 3 m Radius r 3 Area r2 32 3 14159 3 3 28 27 m2 to 2 decimal places The area of a circle is pi times the radius squared (A = π r²). Learn how to use this formula to find the area of a circle when given the diameter. Created by Sal Khan and Monterey Institute for Technology and Education.

Mrs blake maths area and circumference of circles

Mrs Blake Maths Area And Circumference Of Circles

How To Find The Area Of A CircleArea of Circle = πr2 or πd2/4, square units. where π = 22/7 or 3.14. The area of the circle formula is useful for measuring the space occupied by a circular field or a plot. Suppose you have the plot to fence it, then the area formula will help you to. The formula to calculate the area of a circle using radius is as follows Area of a circle r 2 And to calculate the area of a circle using diameter use the following equation Area of a circle d 2 2 where is approximately equal to 3 14 It doesn t matter whether you want to find the area of a circle using diameter or