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Why Is Area Of A Circle Π R 2? [Solved]

The usual definition of pi is the ratio of the circumference of a circle to its diameter, so that the circumference of a circle is pi times the diameter, or 2 pitimes the radius. This give a geometric justification that the area of a circle really is “pi r squared”.

Area of a circle, formula explained

πr(

Quick Visual Proof: Area of a Circle

Okay if we measured this all around and we use a string or something like that we’d say the

Area = πr² Why? Part 1| Fun Math | Don’t Memorise

We know that the