Category: Geometry

Question Number 38032 by behi83417@gmail.com last updated on 20/Jun/18 Commented by behi83417@gmail.com last updated on 21/Jun/18 $$\mathit{i}\mathit{n}\mathit{t}\mathit{r}\mathit{i}\mathit{a}\mathit{n}\mathit{g}\mathit{l}\mathit{e}\mathit{A}\stackrel{▴}{\mathit{B}\mathit{C}}:\mathrm{\angle }\mathit{A}={72}^{\bullet },\mathit{B}\mathit{C}=10.$$$$\mathit{D}\mathit{a}\mathit{n}\mathit{d}\mathit{E},\mathit{c}\mathit{a}\mathit{n}\mathit{m}\mathit{o}\mathit{v}\mathit{e}\mathit{o}\mathit{n}\mathit{B}\mathit{C},\mathit{b}\mathit{u}\mathit{t}\mathit{s}\mathit{u}\mathit{c}\mathit{h}$$$$\mathit{t}\mathit{h}\mathit{a}\mathit{t},\mathit{a}\mathit{l}\mathit{w}\mathit{y}\mathit{e}\mathit{s}:\mathit{A}\mathit{D}=\mathit{A}\mathit{E}.$$$$\left.\mathrm{1}\right)\boldsymbol{{evaluate}}\:\angle\boldsymbol{{DAE}},\boldsymbol{{when}}\:\boldsymbol{{area}}\:\boldsymbol{{of}}\:…

Question Number 169038 by mr W last updated on 23/Apr/22 Commented by mr W last updated on 23/Apr/22 $$oldquestionreposted$$ Answered by mr W…

Question Number 168946 by bagjagugum123 last updated on 22/Apr/22 Commented by bagjagugum123 last updated on 22/Apr/22 $$Provethat:w=\sqrt{{(x+y+z)}^2-4xy}$$ Answered by infinityaction last updated…

Question Number 103347 by I want to learn more last updated on 14/Jul/20 Commented by I want to learn more last updated on 14/Jul/20 Commented…

Question Number 103338 by I want to learn more last updated on 14/Jul/20 Commented by som(math1967) last updated on 14/Jul/20 $$\mathrm{OC}=14-\mathrm{r}$$$$\mathrm{again}\mathrm{OC}=\mathrm{r}\sqrt{2}$$$$\therefore\mathrm{r}\sqrt{\mathrm{2}}=\mathrm{14}−\mathrm{r}…