Question

derivation of the formula of area of circle. I want derivation I know the formula .

Answer 1

Answer:

The area of circle can be calculated by using the formulas: Area = π x r2, in terms of radius 'r'. Area = (π/4) x d2, in terms of diameter, 'd'. Area = C2/4π, in terms of circumference, 'C'.

Step-by-step explanation:

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Answer 2

Suppose a circle has a radius 'r' then the area of circle = πr2 or πd2/4 in square units, where π = 22/7 or 3.14, and d is the diameter. Area of a circle can be calculated by using the formulas: Area = π × r2, where 'r' is the radius. Area = (π/4) × d2, where 'd' is the diameter.