Category: Geometry

Question Number 206079 by mr W last updated on 06/Apr/24 Answered by A5T last updated on 06/Apr/24 Commented by A5T last updated on 06/Apr/24 $${x}\:{is}\:{not}\:{dependent}\:{on}\:{the}\:{position}\:{of}\:{A}\:{on}\:{the}…

Question Number 206060 by cortano21 last updated on 06/Apr/24 Answered by mr W last updated on 06/Apr/24 Commented by mr W last updated on 06/Apr/24…

Question Number 206045 by mr W last updated on 05/Apr/24 Commented by mr W last updated on 05/Apr/24 $$aspecialcaseofQ206053$$ Answered by HeferH24 last…

Question Number 205892 by cortano12 last updated on 02/Apr/24 Answered by A5T last updated on 02/Apr/24 Commented by A5T last updated on 02/Apr/24 $${AC}={ytan}\left(\mathrm{3}\alpha\right);{x}={ytan}\alpha;{z}=\frac{{y}}{{cos}\alpha};{c}={y}\left({tan}\mathrm{3}\alpha−{tan}\alpha\right) \…

Question Number 205861 by mr W last updated on 01/Apr/24 Answered by A5T last updated on 01/Apr/24 $$9\times 9=(2r-x)x\Rightarrow 2r-x=\frac{81}{x}$$$$21\times 21=(2r-16-x)(16+x)=(\frac{81}{x}-16)(16+x)$$$$\Rightarrow x=2\Rightarrow r=21.25$$ Commented…