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What is the arc length for radius (8) cm and angle (135^\circ)?त्रिज्या (8) सेमी और कोण (135^\circ) वाले 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). In exams, first convert degrees into radians.(135^\circ=\frac{3\pi}{4}) और (s=8\times\frac{3\pi}{4}=6\pi) है। परीक्षा में डिग्री को पहले रेडियन में बदलें।
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