Question Number 183216 by mr W last updated on 23/Dec/22 Commented by mr W last updated on 23/Dec/22 Commented by mr W last updated on…
Question Number 52129 by ajfour last updated on 03/Jan/19 Commented by ajfour last updated on 03/Jan/19 $${Find}\:{radius}\:\boldsymbol{{r}}\:{of}\:{circles}\:\left({the}\:{same}\right) \\ $$$${in}\:{terms}\:{of}\:{square}\:{side}\:\boldsymbol{{a}}. \\ $$ Commented by ajfour last…
Question Number 183185 by mnjuly1970 last updated on 22/Dec/22 Answered by mr W last updated on 23/Dec/22 Commented by mr W last updated on 23/Dec/22…
Question Number 183184 by Tawa11 last updated on 22/Dec/22 Commented by Tawa11 last updated on 22/Dec/22 $$\mathrm{Thanks}\:\mathrm{sir}.\:\mathrm{God}\:\mathrm{bless}\:\mathrm{you}. \\ $$ Answered by mr W last updated…
Question Number 183174 by Mr.D.N. last updated on 22/Dec/22 $$\mathrm{In}\:\mathrm{the}\:\mathrm{given}\:\mathrm{figure}\:\mathrm{E}\:\mathrm{is}\:\mathrm{the}\:\mathrm{mid}\:\mathrm{point}\:\mathrm{of}\:\mathrm{AB}. \\ $$$$\:\mathrm{IF}\:\mathrm{the}\:\mathrm{area}\:\mathrm{of}\:\Delta\mathrm{EBF}\:\mathrm{is}\:\mathrm{8cm}^{\mathrm{2}} .\mathrm{find}\:\mathrm{the}\:\mathrm{area}\:\mathrm{of}\:\mathrm{the}\:\mathrm{parallelogram}\:\mathrm{ABCD}. \\ $$ Commented by mr W last updated on 22/Dec/22 $${answer}\:{is}\:\left({C}\right)\:{in}\:{the}\:{given}\:{figure}. \\…
Question Number 52061 by ajfour last updated on 02/Jan/19 Commented by ajfour last updated on 02/Jan/19 $${Find}\:{minimum}\:{of}\:\left({AP}+{PB}\right)\:{in} \\ $$$${terms}\:{of}\:\alpha,\:{a},\:{b}. \\ $$ Commented by MJS last…
Question Number 183124 by HeferH last updated on 21/Dec/22 Answered by a.lgnaoui last updated on 22/Dec/22 $$\mathrm{methode}\:\mathrm{1}\left(\mathrm{simple}\right) \\ $$$$\bigtriangleup\mathrm{ABC}\:\:\:\:\mathrm{30}+\mathrm{50}+\mathrm{x}+\theta=\mathrm{180} \\ $$$$\mathrm{x}+\theta=\mathrm{100} \\ $$$$\mathrm{AB}\parallel\mathrm{DE}\:\:\:\Rightarrow\measuredangle\mathrm{CDE}=\measuredangle\mathrm{CBA}=\mathrm{100} \\ $$$$\measuredangle\mathrm{EDF}=\measuredangle\mathrm{DAB}=\mathrm{20}\Rightarrow\measuredangle\mathrm{FDB}=\mathrm{60}…
Question Number 52052 by ajfour last updated on 02/Jan/19 Commented by ajfour last updated on 02/Jan/19 $${If}\:{a}\:{ray}\:{of}\:{light}\:{follows}\:{shown}\:{path} \\ $$$${getting}\:{reflected}\:{by}\:{inside}\:{of}\:{ellipse}, \\ $$$${find}\:{ellipse}\:{parameters}\:{a}\:{and}\:{b}\:{in} \\ $$$${terms}\:{of}\:\alpha\:\left({and}\:{unity}\right). \\ $$$${let}\:\alpha\:=\:\mathrm{45}°\:.…
Question Number 183107 by mr W last updated on 21/Dec/22 Commented by mr W last updated on 20/Dec/22 $${find}\:{the}\:{equation}\:{of}\:{the}\:{circle}\:{with} \\ $$$${radius}\:{r}\:{and}\:{center}\:{at}\:{C}\left({a},{b},{c}\right).\:{the} \\ $$$${normal}\:{of}\:{the}\:{plane}\:{in}\:{which}\:{the} \\ $$$${circle}\:{lies}\:{is}\:\overset{\rightarrow}…
Question Number 52016 by MJS last updated on 02/Jan/19 Commented by MJS last updated on 02/Jan/19 $$\mathrm{found}\:\mathrm{a}\:\mathrm{solution}\:\mathrm{to}\:\mathrm{Sir}\:\mathrm{Aifour}'\mathrm{s}\:\mathrm{formerly} \\ $$$$\mathrm{posted}\:\mathrm{question} \\ $$ Answered by MJS last…