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If (r=12) cm and arc (s=6\pi) cm then what is the angle ( \theta )?यदि (r=12) सेमी और चाप (s=6\pi) सेमी है तो कोण ( \theta ) क्या होगा?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: ( \frac{\pi}{2} ) radians( \frac{\pi}{2} ) रेडियन
( \theta=\frac{s}{r}=\frac{6\pi}{12}=\frac{\pi}{2} ) radians. Rearrange (s=r\theta) as ( \theta=\frac{s}{r} ).( \theta=\frac{s}{r}=\frac{6\pi}{12}=\frac{\pi}{2} ) रेडियन है। (s=r\theta) को ( \theta=\frac{s}{r} ) में बदलें।
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