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The radius of a circle is (18) cm and the arc is (15\pi) cm. What is the central angle in degrees?वृत्त की त्रिज्या (18) सेमी है और चाप (15\pi) सेमी है। केंद्र कोण डिग्री में क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (150^\circ)(150^\circ)
( \theta=\frac{s}{r}=\frac{15\pi}{18}=\frac{5\pi}{6}=150^\circ ). First find the radian angle and then convert to degrees.( \theta=\frac{s}{r}=\frac{15\pi}{18}=\frac{5\pi}{6}=150^\circ ) है। पहले रेडियन कोण निकालकर डिग्री में बदलें।
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