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Right circular cone of 30 cm …

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Right circular cone of 30 cm and small cone is cut of from top by a plane parallel to base if a value of small cone is 1/27volume of the given cone find at what height above section is made

    • Posted by Anuradha Kumari 1 year, 10 months ago

    CBSE > Class 10 > Mathematics
    • 1 answers

    𝕷𝖊𝖌𝖊𝖓𝖉 🏆 🍑 🎀 𝒜𝓁☯𝓃𝑒 𝑅𝒶𝓈𝒽𝒾 🎀 🍑 1 year, 10 months ago

    Volume of a right circular cone= 3 1 ​ πr 2 h So, volume of the big cone= 3 1 ​ πr 2 (30) Volume of the small cone= 3 1 ​ πr 2 h Given that, 27 1 ​ ( 3 1 ​ πr 2 (30))= 3 1 ​ πr 2 h ⇒ 27 30 ​ =hcm ∴ The height above the base of the section made is (30−h)cm ⇒30− 27 30⇒28.89cm Height from base. solution.

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