How to Find Area of a Circle?

How do you calculate area of a circle?

Area of a Circle Formula and Calculation

Area is the measurement of the size of the surface. The area of a circle is π (Pi) times the radius squared. The distance around the circle is called as circumference. Distance across the circle is called as Diameter. Learn how to find area of the circle from this step by step tutorial.
Area Of A Circle
Let us learn here how to calculate the area of a circle.
How To Find Area Of Circle
Area of a Circle Formula:
Area of a Circle A = π x radius2

π (Pi) is a constant which is equal to 3.14
Area Of Circle Formula
Let us consider an example to find the area of a circle whose radius is 7cm?
Step 1: Consider the values given,
R = 7 cm
How To Find Area Of A Circle Step 1
Step 2: Applying the values in the formula
A = Pi x Radius2
A = 3.14 x 72
A = 3.14 x 7 x 7
A = 3.14 x 49
A = 153.86 cm2
How To Find Area Of A Circle Step 2
Area of Circle Calculation Result:
Area of Circle (A) = 153.86 cm2
Area Of Circle Result

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