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Category: Geometry

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Question Number 42045 by tanmay.chaudhury50@gmail.com last updated on 17/Aug/18 $${i}\:{have}\:{some}\:{thing}\:{to}\:{say}…{in}\:{this}\:{platform}\:\:{several} \\ $$$${people}/{students}/{others}\:{post}\:{questions}..{others} \\ $$$${take}\:{promt}\:{action}\:{to}\:{solve}\:{the}\:{problems}.. \\ $$$${after}\:{the}\:{problem}\:{got}\:{solved}..{the}\:{person}/{students} \\ $$$${who}\:{post}\:{questions}\:{never}\:{attend}\:{or}\:{see}\:{the}\:{answer} \\ $$$${even}\:{do}\:{not}\:{clarify}\:{whether}\:{the}\:{answer}\:{is}\:{right} \\ $$$${or}\:{wrong}…{or}\:{whether}\:{he}/{she}\:{got}\:{understood}\:{the} \\ $$$${method}…{so}\:{pls}\:{show}\:{your}\:{courtsey}\:{otherwise} \\…

Question-107572

Question Number 107572 by ajfour last updated on 11/Aug/20 Commented by ajfour last updated on 11/Aug/20 $${The}\:{cones}\:{have}\:{base}\:{radius}\:{r}\:{and} \\ $$$${semi}-{vertical}\:{angle}\:\alpha/\mathrm{2}.\:{Find} \\ $$$${radius}\:{of}\:{the}\:{pink}\:{sphere}\:{that} \\ $$$${touches}\:{the}\:{cones}\:{externally}\:{and} \\ $$$${touches}\:{the}\:{plane}\:{passing}\:{through}…

Question-41787

Question Number 41787 by Tawa1 last updated on 12/Aug/18 Answered by tanmay.chaudhury50@gmail.com last updated on 12/Aug/18 $${grey}\:{area}={ya}\:+\frac{\mathrm{1}}{\mathrm{2}}\left({x}−{y}\right){a} \\ $$$$=\frac{\mathrm{2}{ya}+{xa}−{ya}}{\mathrm{2}} \\ $$$$=\frac{\mathrm{1}}{\mathrm{2}}\left({x}+{y}\right){a} \\ $$ Terms of…

Question-41766

Question Number 41766 by ajfour last updated on 12/Aug/18 Answered by MrW3 last updated on 18/Aug/18 $${let}'{s}\:{say}\:\mathrm{0}<{b}\leqslant{a}\leqslant\mathrm{2}{R} \\ $$$$ \\ $$$${B}\left(\mathrm{0},\mathrm{0}\right) \\ $$$${O}\left(\frac{{b}}{\mathrm{2}},\sqrt{{R}^{\mathrm{2}} −\frac{{b}^{\mathrm{2}} }{\mathrm{4}}}\right)…