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Category: Geometry

Question-49183

Question Number 49183 by ajfour last updated on 04/Dec/18 Commented by ajfour last updated on 04/Dec/18 $${Find}\:\:\:\:\:\:\:\frac{{Area}\:\bigtriangleup{PQR}}{{Area}\:\bigtriangleup{ABC}}\:\:,\:{if}\:{centroid}\:{G} \\ $$$${of}\:\bigtriangleup{ABC}\:{lies}\:{on}\:{z}\:{axis}\:{and}\:{each} \\ $$$${vertex}\:{on}\:{surface}\:{of}\:{paraboloid}. \\ $$ Commented by…

A-solid-cone-of-height-56cm-and-a-basem-diaeter-of-56cm-is-formed-from-al-cylindrica-drum-equal-in-height-andt-diameer-with-the-cone-Find-the-surfacee-ara-of-the-remaining-part-of-the-drum-if-the

Question Number 180191 by cherokeesay last updated on 08/Nov/22 $$ \\ $$$$\mathrm{A}\:\mathrm{solid}\:\mathrm{cone}\:\mathrm{of}\:\mathrm{height}\:\mathrm{56cm}\:\mathrm{and}\:\mathrm{a}\:\mathrm{basem} \\ $$$$\mathrm{diaeter}\:\mathrm{of}\:\mathrm{56cm}\:\mathrm{is}\:\mathrm{formed}\:\mathrm{from}\:\mathrm{al} \\ $$$$\mathrm{cylindrica}\:\mathrm{drum}\:\mathrm{equal}\:\mathrm{in}\:\mathrm{height}\:\mathrm{andt} \\ $$$$\mathrm{diameer}\:\mathrm{with}\:\mathrm{the}\:\mathrm{cone}.\:\mathrm{Find}\:\mathrm{the}\:\mathrm{surfacee} \\ $$$$\mathrm{ara}\:\mathrm{of}\:\mathrm{the}\:\mathrm{remaining}\:\mathrm{part}\:\mathrm{of}\:\mathrm{the}\:\mathrm{drum}. \\ $$$$ \\ $$$$\left(\mathrm{if}\:\mathrm{the}\:\mathrm{answer}\:\mathrm{is}\:\mathrm{accompanied}\:\mathrm{by}\:\mathrm{a}\:\right. \\…