Question
Download Solution PDFएक लम्बवृत्तीय शंकु की तिर्यक ऊँचाई और त्रिज्या क्रमशः 11 सेमी और 6 सेमी है। शंकु का वक्र पृष्ठीय क्षेत्रफल कितना है?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिया गया है:
शंकु की तिर्यक ऊँचाई = 11 सेमी
शंकु की त्रिज्या = 6 सेमी
सूत्र :
एक शंकु का वक्र पृष्ठीय क्षेत्रफल = πrl, जहाँ r त्रिज्या है और l शंकु की तिर्यक ऊँचाई है।
गणना:
वक्र पृष्ठीय क्षेत्रफल = πrl
⇒ π × 6 × 11
⇒ 66π
अतः, शंकु का वक्र पृष्ठीय क्षेत्रफल 66π सेमी2 है।
Last updated on Jul 14, 2025
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