Question Number 5338 by FilupSmith last updated on 09/May/16 Commented by FilupSmith last updated on 09/May/16 $$\mathrm{I}\:\mathrm{have}\:{n}\:\mathrm{lines}\:\mathrm{inside}\:\mathrm{the}\:\mathrm{interior}\:\mathrm{of}\:\mathrm{a} \\ $$$$\mathrm{semi}\:\mathrm{circle}\:\mathrm{with}\:\mathrm{radius}\:{r}.\:\mathrm{All}\:\mathrm{lines}\:\mathrm{are} \\ $$$$\mathrm{of}\:\mathrm{length}\:{a}. \\ $$$$ \\ $$$$\mathrm{Show}\:\mathrm{that}\:\mathrm{the}\:\mathrm{sum}\:\mathrm{of}\:\mathrm{all}\:\mathrm{lines}\:\mathrm{is}\:\mathrm{less}\:\mathrm{than}…
Question Number 5334 by Rasheed Soomro last updated on 08/May/16 $$\mathrm{A}\:\boldsymbol{\mathrm{sphere}}\:\mathrm{of}\:\boldsymbol{\mathrm{radius}}\:\boldsymbol{\mathrm{r}}\:\:\mathrm{contains}\:\mathrm{a}\:\boldsymbol{\mathrm{cyllinder}}\:\mathrm{of}\:\mathrm{possible} \\ $$$$\mathrm{largest}\:\boldsymbol{\mathrm{volume}}.\boldsymbol{\mathrm{D}}\mathrm{etermine}\:\mathrm{the}\:\mathrm{volume}\:\mathrm{of}\:\mathrm{the}\:\boldsymbol{\mathrm{cyllinder}}. \\ $$ Commented by Rasheed Soomro last updated on 10/May/16 $$\mathrm{I}\:\mathrm{believe}\:\mathrm{that}\:\mathrm{the}\:\mathrm{cyllinder}\:\mathrm{of}\:\mathrm{possible}\:\mathrm{largest}\:\mathrm{volume}\: \\…
Question Number 5325 by FilupSmith last updated on 08/May/16 Commented by Rasheed Soomro last updated on 08/May/16 $${AB}\:{means}\:{line}-{segment}\:{AB}? \\ $$$${AC},{BC}\:\:{means}\:{arcs}? \\ $$ Commented by FilupSmith…
Question Number 5319 by Rasheed Soomro last updated on 07/May/16 $$\mathrm{A}\:\boldsymbol{\mathrm{sphere}}\:\mathrm{of}\:\mathrm{radius}\:\boldsymbol{\mathrm{r}}\:\mathrm{contains}\:\mathrm{a}\:\boldsymbol{\mathrm{cube}} \\ $$$$\mathrm{inside}\:\mathrm{it}.\:\mathrm{All}\:\mathrm{the}\:\boldsymbol{\mathrm{vertices}}\:\mathrm{of}\:\mathrm{the}\:\mathrm{cube} \\ $$$$\mathrm{touch}\:\mathrm{the}\:\boldsymbol{\mathrm{surface}}\:\mathrm{of}\:\mathrm{sphere}. \\ $$$$\mathrm{What}\:\mathrm{is}\:\mathrm{the}\:\boldsymbol{\mathrm{volume}}\:\mathrm{of}\:\mathrm{the}\:\mathrm{cube}? \\ $$ Answered by Rasheed Soomro last updated…
Question Number 136377 by MJS_new last updated on 21/Mar/21 Commented by MJS_new last updated on 21/Mar/21 $$\mathrm{the}\:\mathrm{area}\:\mathrm{of}\:\mathrm{the}\:“\mathrm{square}''\:\mathrm{is}\:\left(\frac{\pi}{\mathrm{3}}+\mathrm{1}−\sqrt{\mathrm{3}}\right){a}^{\mathrm{2}} \:\mathrm{but} \\ $$$$\mathrm{how}\:\mathrm{to}\:\mathrm{get}\:\mathrm{this}\:{without}\:\mathrm{integration}? \\ $$$$\mathrm{I}'\mathrm{m}\:\mathrm{afraid}\:\mathrm{I}'\mathrm{m}\:\mathrm{a}\:\mathrm{blockhead}… \\ $$ Answered…
Question Number 5308 by Rasheed Soomro last updated on 06/May/16 $$\mathrm{3}\:\mathrm{points}\:\mathrm{with}\:\mathrm{the}\:\mathrm{restriction}\:\mathrm{that} \\ $$$$\mathrm{they}\:\mathrm{should}\:\mathrm{be}\:\mathrm{non}-\mathrm{collinear}\:\mathrm{determine} \\ $$$$\mathrm{circle}. \\ $$$$\mathrm{What}\:\mathrm{number}\:\mathrm{of}\:\mathrm{points}\:\mathrm{with}\:\mathrm{what} \\ $$$$\mathrm{restriction}\:\mathrm{determine}\:\mathrm{sphere}? \\ $$ Terms of Service Privacy…
Question Number 5291 by Rasheed Soomro last updated on 05/May/16 $$\mathrm{A}\:\mathrm{circle}\:\mathrm{has}\:\mathrm{been}\:\mathrm{drawn}\:\mathrm{with}\:\mathrm{one} \\ $$$$\mathrm{unit}\:\mathrm{opened}\:\mathrm{compass}\:\mathrm{on}\:\:\mathrm{surface} \\ $$$$\mathrm{of}\:\mathrm{a}\:\mathrm{sphere}\:\mathrm{of}\:\mathrm{one}\:\mathrm{unit}\:\mathrm{radius}.\: \\ $$$$\mathrm{What}\:\mathrm{will}\:\mathrm{be}\:\mathrm{the}\:\mathrm{area}\:\mathrm{of}\:\mathrm{the}\:\mathrm{circle}? \\ $$ Commented by Yozzii last updated on…
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Question Number 70672 by ajfour last updated on 06/Oct/19 Commented by ajfour last updated on 06/Oct/19 $${Find}\:{sides}\:{of}\:\bigtriangleup{ABC}.\:{Also}\:{find} \\ $$$$\:{the}\:{same}\:{if}\:{instead}\:{of}\:{EF}\:, \\ $$$$\:{DF}=\mathrm{2}\:. \\ $$ Answered by…
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