Perimeter of a circle

The perimeter of a circle formula is used to find the perimeter of a circle. The perimeter of a circle is its boundary or the complete arc length of the periphery of a circle. The term that denotes the perimeter of a circle is called its circumference. Hence the perimeter of a circle tells us about the circumference of a circle, therefore it is also known as the circumference of a circle formula
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THE ABEL PRIZE

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The  Abel Prize  is awarded annually by the  King of Norway  to one or more outstanding  mathematicians . It is named after the Norwegian mathematician  Niels Henrik Abel  (1802–1829) and directly modeled after the  Nobel Prizes . It comes with a monetary award of 7.5 million  Norwegian kroner  (NOK) (increased from 6 million NOK in 2019). The Abel Prize's history dates back to 1899, when its establishment was proposed by the Norwegian mathematician  Sophus Lie  when he learned that  Alfred Nobel 's plans for annual prizes  would not include a prize in mathematics . In 1902,  King Oscar II of Sweden and Norway  indicated his willingness to finance the creation of a mathematics prize to complement the Nobel Prizes, but the establishment of the prize was prevented by the  dissolution of the union between Norway and Sweden  in 1905. It took almost a century before the prize was final...
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