Question
Download Solution PDFएक गोल आणि त्याभोवती असलेली एक लंब वृत्तचिती यांच्या घनफळाचे गुणोत्तर काढा:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिलेले आहे:
एक गोल आणि त्याभोवती असलेली एक लंब वृत्तचिती यांच्या घनफळाचे गुणोत्तर काढायचे आहे.
वापरलेले सूत्र:
गोलाचे घनफळ = \(\dfrac{4}{3}\pi r^3\)
लंब वृत्तचितीचे घनफळ = \(\pi r^2 \times 2r\)
गणना:
गोलाचे घनफळ = \(\dfrac{4}{3}\pi r^3\)
वृत्तचितीचे घनफळ = \(\pi r^2 \times 2r = 2\pi r^3\)
⇒ गुणोत्तर = \(\dfrac{\dfrac{4}{3}\pi r^3}{2\pi r^3}\)
⇒ गुणोत्तर = \(\dfrac{\dfrac{4}{3}}{2}\)
⇒ गुणोत्तर = \(\dfrac{2}{3}\)
∴ पर्याय (3) योग्य आहे.
Last updated on Jun 30, 2025
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