Question
Download Solution PDFएक शंक्वाकार तंबू के आधार की त्रिज्या 9 m है और इसकी ऊँचाई 12 m है, यदि इसका मूल्य ₹100 प्रति π m2 है, तो इसे बनाने के लिए आवश्यक सामग्री का मूल्य ज्ञात कीजिए।
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिया गया है:
एक शंक्वाकार तम्बू के आधार की त्रिज्या 9 मीटर है और इसकी ऊँचाई 12 मीटर है।
प्रयुक्त अवधारणा:
शंकु का वक्र पृष्ठीय क्षेत्रफल = π × त्रिज्या × तिर्यक ऊँचाई
तिर्यक ऊँचाई =
गणना:
शंक्वाकार तम्बू की तिर्यक ऊँचाई =
अत:, शंक्वाकार तंबू का वक्र पृष्ठीय क्षेत्रफल = π × 9 × 15 = 135π मीटर2
इस प्रकार, सामग्री का मूल्य = (135π × 100) ÷ π = 13,500 रुपये
∴ सामग्री का मूल्य 13,500 रुपये है।
Last updated on Jun 27, 2025
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