Math, asked by shivanyasarita61164, 9 months ago

In the formula, area of circle πr2 the numerical constant of the expression in πr2 is ________.

Answers

Answered by Anonymous

Answer:

A circle's circumference and radius are related by the formula C = 2πr. We say that the circumference of a circle is defined in terms of a circle's radius. For a radius of 2 inches the circumference is about 12.57 inches

Answered by ravanji786

Answer:

In geometry, the area enclosed by a circle of radius r is πr2. Here the Greek letter π represents a constant, approximately equal to 3.14159, which is equal to the ratio of the circumference of any circle to its diameter.

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