Category: Geometry

Question Number 208466 by Tawa11 last updated on 16/Jun/24 Answered by A5T last updated on 17/Jun/24 Commented by A5T last updated on 17/Jun/24 $$\mathrm{4}{x}+\mathrm{3}{x}+\mathrm{2}{x}=\mathrm{180}\Rightarrow{x}=\mathrm{20}° \…

Question Number 208467 by Tawa11 last updated on 16/Jun/24 Answered by A5T last updated on 17/Jun/24 Commented by A5T last updated on 17/Jun/24 $${sin}\theta=\frac{\mathrm{3}\sqrt{\mathrm{10}}}{\:\mathrm{10}}\Rightarrow{cos}\theta=\frac{\sqrt{\mathrm{10}}}{\mathrm{10}} \…

Question Number 208385 by efronzo1 last updated on 14/Jun/24 Commented by efronzo1 last updated on 15/Jun/24 Commented by efronzo1 last updated on 15/Jun/24 $$\mathrm{i}'\mathrm{m}\:\mathrm{stuck}\:\mathrm{this}\:\mathrm{step} \…

Question Number 208288 by efronzo1 last updated on 10/Jun/24 Answered by A5T last updated on 10/Jun/24 $$8(8+x)=\left(2r\right)(2r+2R)=4r^2+4rR$$$$\Rightarrow x=\frac{r^2+rR-16}{2}\dots \left(i\right)$$$$\left(\mathrm{8}+{x}\right)^{\mathrm{2}} ={R}^{\mathrm{2}} +\left(\mathrm{2}{r}+{R}\right)^{\mathrm{2}}…

Question Number 208111 by mr W last updated on 05/Jun/24 Commented by mr W last updated on 05/Jun/24 $$yellowarea=?$$ Answered by A5T last…