Question Number 185705 by Mingma last updated on 26/Jan/23 Answered by mr W last updated on 26/Jan/23 $${s}=\frac{{n}−\mathrm{1}+{n}+{n}+\mathrm{1}}{\mathrm{2}}=\frac{\mathrm{3}{n}}{\mathrm{2}} \\ $$$$\overset{\_} {{r}}=\frac{{rs}}{{s}−{n}}=\frac{{r}}{\mathrm{1}−\frac{{n}}{{s}}}=\frac{{r}}{\mathrm{1}−\frac{\mathrm{2}{n}}{\mathrm{3}{n}}}=\mathrm{3}{r} \\ $$$$\frac{{r}}{\overset{\_} {{r}}}=\frac{\mathrm{1}}{\mathrm{3}}\:\checkmark \\…
Question Number 185495 by Mingma last updated on 22/Jan/23 Answered by mr W last updated on 22/Jan/23 Commented by mr W last updated on 23/Jan/23…
Question Number 185494 by Mingma last updated on 22/Jan/23 Commented by mr W last updated on 23/Mar/24 $${see}\:{Q}\mathrm{205507} \\ $$ Terms of Service Privacy Policy…
Question Number 54334 by ajfour last updated on 02/Feb/19 Commented by ajfour last updated on 02/Feb/19 $${Sir}\:{d}^{\mathrm{2}} \neq{a}^{\mathrm{2}} +{b}^{\mathrm{2}} \:\:\:\left({coz}\:{d}\:{isn}'{t}\:{diagonal}\right) \\ $$ Answered by mr…
Question Number 185387 by Rupesh123 last updated on 20/Jan/23 Answered by HeferH last updated on 21/Jan/23 Commented by HeferH last updated on 21/Jan/23 $${x}\:=\:\sqrt{\left(\mathrm{4}−{r}\right)^{\mathrm{2}} −{r}^{\mathrm{2}}…
Question Number 185384 by Mingma last updated on 20/Jan/23 Answered by HeferH last updated on 21/Jan/23 Commented by HeferH last updated on 21/Jan/23 $${R}\:=\:\frac{\mathrm{13}\:+\:\mathrm{2}{r}}{\mathrm{2}} \\…
Question Number 185372 by Mingma last updated on 20/Jan/23 Answered by a.lgnaoui last updated on 21/Jan/23 $$\bigtriangleup\mathrm{ODO}\:\:\:\mathrm{Triangle}\:\mathrm{rectangle} \\ $$$$\mathrm{O}_{\mathrm{1}} \mathrm{O}_{\mathrm{2}} ^{\mathrm{2}} =\left(\mathrm{O}_{\mathrm{1}} \mathrm{C}+\mathrm{CD}\right)^{\mathrm{2}} +\mathrm{O}_{\mathrm{2}} \mathrm{D}^{\mathrm{2}}…
Question Number 185231 by Rupesh123 last updated on 18/Jan/23 Answered by Kalebwizeman last updated on 19/Jan/23 $$\mathrm{70}\:{degrees} \\ $$ Answered by Kalebwizeman last updated on…
Question Number 185224 by alcohol last updated on 18/Jan/23 Answered by hafiz last updated on 18/Jan/23 Answered by Rasheed.Sindhi last updated on 19/Jan/23 $${Let}\:{there}\:{are}\:\mathrm{100}\:{families}\:{in}\:{the} \\…
Question Number 185166 by Rupesh123 last updated on 17/Jan/23 Answered by mnjuly1970 last updated on 18/Jan/23 $$\:\: \\ $$$${sin}\left(\frac{{A}}{\mathrm{2}}\:\right)\:=\:\frac{{r}}{{IA}}\:\Rightarrow\:{r}\:=\:{IA}.{sin}\left(\frac{{A}}{\mathrm{2}}\right) \\ $$$$\:\:\:\:\:\:{sin}\left(\:\frac{{B}}{\mathrm{2}}\right)=\:\frac{{r}}{{IB}}\:\Rightarrow\:{r}\:=\:{IB}.{sin}\left(\frac{{B}}{\mathrm{2}}\right) \\ $$$$\:\:\:\:\:\:{sin}\left(\frac{{C}}{\mathrm{2}}\right)=\frac{{r}}{{IC}}\:\Rightarrow\:{r}=\:{IC}.{sin}\left(\frac{{C}}{\:\mathrm{2}}\:\right) \\ $$$$\:\:\:\:−−−−−−−−−…