Дължина на обиколката на кръга онлайн калкулатор

Онлайн калкулатор, който ще ви помогне да се намери дължината на обиколката на кръг, с дължина на обиколката на кръга е равен на (2π) умножена по (r) радиус.
Кръгът е геометрична фигура, където гледна равнина имат разстоянието до определена точка не повече от желаното, а обиколката е затворена плоска (на крива) в която всички точки отстранени на същото разстояние от центъра.

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