Category: Geometry

Question Number 186298 by TUN last updated on 03/Feb/23 Answered by a.lgnaoui last updated on 05/Feb/23 $$△ABC:6+36+x+y+\mathrm{z}+12=180$$$$x+y+\mathrm{z}=126$$$$△\mathrm{ACD}:\frac{\sin x}{\mathrm{AD}}=\frac{\sin \mathrm{y}}{\mathrm{CD}}=\frac{\sin (\mathrm{x}+\mathrm{y})}{\mathrm{AC}}\left(1\right)$$$$△\mathrm{ABC}\frac{\sin (\mathrm{y}+12)}{\mathrm{BC}}=\frac{\sin 42}{\mathrm{AC}}\left(2\right)$$$$\:\left(\mathrm{1}\right)\Rightarrow\mathrm{sin}\:{y}=\frac{{CD}}{{AD}}\mathrm{sin}\:\mathrm{x}…

Question Number 186282 by Mingma last updated on 03/Feb/23 Answered by mr W last updated on 03/Feb/23 Commented by mr W last updated on 03/Feb/23…

Question Number 186247 by Rupesh123 last updated on 02/Feb/23 Terms of Service Privacy Policy Contact: info@tinkutara.com

Question Number 120676 by I want to learn more last updated on 01/Nov/20 Commented by som(math1967) last updated on 02/Nov/20 $$\mathrm{BC}+\mathrm{AC}-\mathrm{AB}$$$$=5+6-3=8\mathrm{unit}$$…

Question Number 186165 by ajfour last updated on 01/Feb/23 Answered by mr W last updated on 01/Feb/23 $$\frac{c}{x}=\frac{x-1}{\sqrt{x^2-{(x-1)}^2}}=\frac{x-1}{\sqrt{2x-1}}$$$$x(x-1)=c\sqrt{2x-1}$$$${x}^{\mathrm{4}} −\mathrm{2}{x}^{\mathrm{3}}…