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If (r=16) cm and ( \theta=\frac{5\pi}{8} ) radians, what will be the arc length?यदि (r=16) सेमी और ( \theta=\frac{5\pi}{8} ) रेडियन है तो चाप की लंबाई क्या होगी?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (10\pi) cm(10\pi) सेमी
(s=r\theta=16\times\frac{5\pi}{8}=10\pi) cm. When the angle is in radians, (s=r\theta) applies directly.(s=r\theta=16\times\frac{5\pi}{8}=10\pi) सेमी है। कोण रेडियन में हो तो (s=r\theta) सीधे लागू होता है।
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