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If (\frac{3x\pi}{20}) radians equals (81^\circ), what is the value of (x)?यदि (\frac{3x\pi}{20}) रेडियन (81^\circ) के बराबर है, तो (x) का मान क्या होगा?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (3)(3)
(81^\circ=\frac{9\pi}{20}), so (\frac{3x\pi}{20}=\frac{9\pi}{20}) gives (x=3). In exams, write both angles in the same unit.(81^\circ=\frac{9\pi}{20}), इसलिए (\frac{3x\pi}{20}=\frac{9\pi}{20}) से (x=3)। परीक्षा में दोनों कोणों को समान इकाई में लिखें।
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