Question
Download Solution PDFसमान आयतन के तीन घन सिरे से सिरे तक जुड़े हुए हैं। यदि घन का विकर्ण 6√3 सेमी है, तो परिणामी घनाभ का पृष्ठीय क्षेत्रफल ज्ञात कीजिए।
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिया गया:
घन का विकर्ण = 6√3 सेमी
गणना:
घन का विकर्ण = √3 × भुजा
⇒ 6√3 = भुजा √3
अत:, भुजा = 6
इसलिए, घनाभ की लंबाई = 3 × 6 = 18
चौड़ाई = 6 और ऊँचाई = 6
अतः, घनाभ का पृष्ठीय क्षेत्रफल
= 2(lb + bh + lh)
= 2(108 + 36 + 108)
= 2 × 252 सेमी²
= 504 सेमी²
इसलिए, अभीष्ट मान 504 सेमी² है।
Last updated on Jul 8, 2025
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