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Through how many radians does the hour hand rotate in (5) hours (20) minutes?(5) घंटे (20) मिनट में घंटे की सूई कितने रेडियन घूमती है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (\frac{8\pi}{9})(\frac{8\pi}{9})
(5) hours (20) minutes (=\frac{16}{3}) hours, which is (\frac{4}{9}) of (12) hours. The angle is (\frac{4}{9}\times2\pi=\frac{8\pi}{9}).(5) घंटे (20) मिनट (=\frac{16}{3}) घंटे है, जो (12) घंटे का (\frac{4}{9}) भाग है। कोण (\frac{4}{9}\times2\pi=\frac{8\pi}{9}) होगा।
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