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# Recall, $$\pi$$ is defined as the ratio of the circumference (say c) of a circle to its diameter (say d). That is, $$\pi = \frac{c}{d}$$ . This seems to contradict the fact that $$\pi$$ is irrational. How will you resolve this contradiction?

First of all, there is not any contradiction. $$\pi$$ defined here has an approximate value of $$\frac{22}{7}$$ i.e. by comparing with $$\frac{c}{d}$$ .