Question
Download Solution PDFएक त्रिज्यखंड का क्षेत्रफल 1848 मीटर2 है और त्रिज्यखंड का केंद्रीय कोण 270° है। वृत्त की त्रिज्या ज्ञात कीजिए। (π = 22/7 लीजिए)
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिया गया है:
एक त्रिज्यखंड का क्षेत्रफल 1848 मीटर2 है और त्रिज्यखंड का केंद्रीय कोण 270° है।
प्रयुक्त सूत्र:
एक त्रिज्यखंड का क्षेत्रफल = θ/360° πr2
गणना:
सूत्र के अनुसार,
⇒ 1848 मीटर2 = 270°/360° πr2
⇒ r2 = 784
⇒ r = 28 मीटर
∴ सही विकल्प 4 है।
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