Find the cost of fencing around a circular field of diameter 42…

Find the cost of fencing around a circular field of diameter 42 m at the rate of Rs.5 a meter?

This problem repeats another one in the library (at most with different numbers), so it's left out of browsing.

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #49331

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