Question Number 212669 by Spillover last updated on 20/Oct/24 Commented by Spillover last updated on 21/Oct/24 $${ans}\:{X}=\:\mathrm{35}\sqrt{\mathrm{2}}\: \\ $$ Answered by mr W last updated…
Question Number 212668 by Spillover last updated on 20/Oct/24 Answered by efronzo1 last updated on 21/Oct/24 $$\:\:\mathrm{BC}^{\mathrm{2}} =\:\mathrm{64}+\mathrm{25}−\mathrm{40}\:=\:\mathrm{49} \\ $$$$\:\:\mathrm{BC}^{\mathrm{2}} =\:\mathrm{2r}^{\mathrm{2}} +\mathrm{r}^{\mathrm{2}} \Rightarrow\mathrm{r}=\sqrt{\frac{\mathrm{BC}^{\mathrm{2}} }{\mathrm{3}}}=\frac{\mathrm{7}\sqrt{\mathrm{3}}}{\mathrm{3}} \\…
Question Number 212533 by emilagazade last updated on 16/Oct/24 $${given}\:{isoscele}\:{triangle}\:{with}\:{sides}\:\mathrm{10}\:{and}\:{inradius}\:\mathrm{3}.\:{how}\:{find}\:{base}? \\ $$ Answered by A5T last updated on 16/Oct/24 $${Let}\:{base}={b}\:;{angle}\:{between}\:{non}-{equal}\:{sides}=\theta \\ $$$$\left[\bigtriangleup\right]=\frac{\mathrm{10}×\mathrm{10}{sin}\left(\mathrm{180}−\mathrm{2}\theta\right)}{\mathrm{2}}=\frac{{b}×\mathrm{10}×{sin}\theta}{\mathrm{2}} \\ $$$$\Rightarrow\mathrm{50}×\mathrm{2}{cos}\theta=\mathrm{5}{b}\Rightarrow{cos}\theta=\frac{{b}}{\mathrm{20}}\Rightarrow{sin}\theta=\frac{\sqrt{\mathrm{400}−{b}^{\mathrm{2}} }}{\mathrm{20}}…
Question Number 212417 by mr W last updated on 13/Oct/24 Commented by mr W last updated on 13/Oct/24 $${unsolved}\:{old}\:{question}\:\mathrm{212291} \\ $$ Answered by mr W…
Question Number 212214 by CrispyXYZ last updated on 06/Oct/24 $$\mathrm{Find}\:\mathrm{tan}\theta. \\ $$ Commented by CrispyXYZ last updated on 06/Oct/24 Answered by a.lgnaoui last updated on…
Question Number 212179 by cherokeesay last updated on 05/Oct/24 Answered by cemoosky last updated on 05/Oct/24 $${x}\:=\:\mathrm{6}.\mathrm{6} \\ $$ Answered by mr W last updated…
Question Number 211992 by ajfour last updated on 26/Sep/24 Commented by ajfour last updated on 26/Sep/24 $${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…