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If the arc length is (\frac{9\pi}{2}) cm and the radius is (12) cm, what is the central angle in degrees?यदि चाप की लंबाई (\frac{9\pi}{2}) सेमी और त्रिज्या (12) सेमी है, तो केंद्र कोण डिग्री में कितना होगा?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (67.5^\circ)(67.5^\circ)
From (s=r\theta), (\theta=\frac{3\pi}{8}), which is (67.5^\circ). In exams, keep the angle in radians in the arc formula.(s=r\theta) से (\theta=\frac{3\pi}{8}), जो (67.5^\circ) है। परीक्षा में चाप सूत्र में कोण रेडियन में रखें।
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