What is the ratio of the circumstance of a circle to its radius?

دائرے کی حالت کا اس کے رداس کا تناسب کیا ہے؟

2π

π/2

2πr

None of these

The Greek letter $π$ (pronounced as Pie) represents the ratio between the circumference and the diameter of a circle.

i.e. $\frac{c i r c u m f e r e n c e o f t h e c i r c l e}{I t s d i a m e t e r (d)} = π$

$=C i r c u m f e r e n c e o f t h e c i r c l e = π \times d$

$= 2. π . r$

ND18-5-2023