Question Number 211992 by ajfour last updated on 26/Sep/24 Commented by ajfour last updated on 26/Sep/24 $${Find}\:{r}\:{in}\:{terms}\:{of}\:{R}\:{and}\:{a}. \\ $$ Commented by ajfour last updated on…
Question Number 211851 by Ari last updated on 22/Sep/24 Commented by Ari last updated on 22/Sep/24 $${how}\:{many}\:\:{triangles}\:{are}\:{formed}? \\ $$ Terms of Service Privacy Policy Contact:…
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Question Number 211694 by Tawa11 last updated on 16/Sep/24 Commented by Tawa11 last updated on 16/Sep/24 $$\mathrm{Find}\:\mathrm{the}\:\mathrm{missing}\:\mathrm{angle} \\ $$ Commented by A5T last updated on…
Question Number 211691 by efronzo1 last updated on 16/Sep/24 Answered by golsendro last updated on 16/Sep/24 $$\:\:\cancel{\underbrace{\boldsymbol{\mathrm{M}}}} \\ $$ Terms of Service Privacy Policy Contact:…
Question Number 211603 by MrGaster last updated on 14/Sep/24 $$\mathrm{1}.\mathrm{Given}\:\mathrm{a}\:\mathrm{regular}\:\mathrm{tetrahedron}\:\boldsymbol{{ABCD}} \\ $$$$\mathrm{with}\:\mathrm{vertices}\:\boldsymbol{{A}}\left(\mathrm{0},\mathrm{0},\mathrm{0}\right)\boldsymbol{{B}}\left(\boldsymbol{{a}},\mathrm{0},\mathrm{0}\right), \\ $$$$\boldsymbol{{C}}\left(\mathrm{0},\boldsymbol{{a}},\mathrm{0}\right),\boldsymbol{\mathrm{and}}\:\boldsymbol{{D}}\left(\mathrm{0},\mathrm{0},\boldsymbol{{a}}\right).\mathrm{Calculate}\:\mathrm{the} \\ $$$$\:\mathrm{volume}\:\boldsymbol{{V}}\:\:\mathrm{and}\:\mathrm{the}\:\mathrm{surface}\:\mathrm{area}\:\boldsymbol{{S}}\:\boldsymbol{\mathrm{of}} \\ $$$$\mathrm{this}\:\mathrm{tetrahedron}. \\ $$ Answered by BHOOPENDRA last updated…
Question Number 211537 by cherokeesay last updated on 12/Sep/24 Answered by mr W last updated on 12/Sep/24 $$\sqrt{\left({R}−\mathrm{2}\right)^{\mathrm{2}} −\mathrm{2}^{\mathrm{2}} }−\mathrm{2}=\sqrt{{R}^{\mathrm{2}} −\mathrm{6}^{\mathrm{2}} } \\ $$$$\sqrt{{R}^{\mathrm{2}} −\mathrm{4}{R}}=\mathrm{2}+\sqrt{{R}^{\mathrm{2}}…
Question Number 211340 by Tawa11 last updated on 06/Sep/24 Commented by Frix last updated on 06/Sep/24 $$\mathrm{Question}\:\mathrm{211294} \\ $$ Answered by mr W last updated…
Question Number 211323 by mr W last updated on 06/Sep/24 Commented by mr W last updated on 06/Sep/24 $${both}\:{circles}\:{are}\:{concentric}. \\ $$$${find}\:\angle{C}=? \\ $$ Answered by…
Question Number 211277 by mr W last updated on 04/Sep/24 Commented by mr W last updated on 04/Sep/24 $${find}\:{the}\:{volume}\:{of}\:{the}\:{tetrahedron} \\ $$$${in}\:{terms}\:{of}\:{a},{b},{c},\:\theta\:{with}\:\mathrm{0}<\theta\leqslant\mathrm{120}°. \\ $$ Commented by…