Question
Download Solution PDFएक घन के संपूर्ण पृष्ठीय क्षेत्रफल और पार्श्व पृष्ठीय क्षेत्रफल का अनुपात है
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Bihar STET Paper I: Mathematics (Held In 2019 - Shift 1)
Answer (Detailed Solution Below)
Option 1 : 3 ∶ 2
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Bihar STET Paper 1 Social Science Full Test 1
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Detailed Solution
Download Solution PDFमान लीजिए कि a घन का किनारा है, तब
कुल पृष्ठीय क्षेत्रफल = 6a2
तथा वक्र पृष्ठीय क्षेत्रफल = 4a2
अब कुल पृष्ठीय क्षेत्रफल और वक्र पृष्ठीय क्षेत्रफल के बीच का अनुपात = 6a2 : 4a2 = 3 : 2
Last updated on Jul 3, 2025
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