Area Of A Circle Formula

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Here the radius of a circle is 1cm what is its area updated world of

Here The Radius Of A Circle Is 1cm What Is Its Area Updated World Of

Area of Circle r2 or d2 4 square units where 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 area of a regular polygon is half its perimeter multiplied by the distance from its center to its sides, and because the sequence tends to a circle, the corresponding formula–that the area is half the circumference times the radius–namely, A = 1 2.

area of a circle formula with radius and diameter

Area Of A Circle Formula With Radius And Diameter

Area Of A Circle FormulaThe calculations are done "live": How to Calculate the Area The area of a circle is: π ( Pi) times the Radius squared: A = π r2 or, when you know the Diameter: A = (π/4) × D2 or, when you know the Circumference: A = C2 / 4π Example: What is the area of a circle with radius of 3 m ? Radius = r = 3 Area = π r2 = π × 32 = 3.14159. × (3 × 3) To find the area using the radius or the length from the center of the circle to the edge use the formula area r 2 where r is the radius For example if the radius of the circle is 6 inches first you would square 6 and get 36