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What will be the arc length made by (135^\circ) in a circle of radius (8) cm?त्रिज्या (8) सेमी वाले वृत्त में (135^\circ) कोण से बने चाप की लंबाई क्या होगी?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (6\pi) cm(6\pi) सेमी
(135^\circ=\frac{3\pi}{4}) and (s=8\times \frac{3\pi}{4}=6\pi) cm. It is necessary to convert a degree angle into radians first.(135^\circ=\frac{3\pi}{4}) और (s=8\times \frac{3\pi}{4}=6\pi) सेमी है। डिग्री कोण को पहले रेडियन में बदलना जरूरी है।
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