Category: Geometry

Question Number 49987 by ajfour last updated on 12/Dec/18 Commented by ajfour last updated on 12/Dec/18 $$a\ne b,find\mathit{c}intermsofaandb.$$ Commented by MJS last updated on…

Question Number 181051 by mr W last updated on 20/Nov/22 Answered by a.lgnaoui last updated on 21/Nov/22 $$coteducarrebleu\left[CD\right]=bcommeil$$$$apparaitdans\left(image\right)est$$$$CD:prolongementde\left[AC\right]\left(AC\right)$$$$\left[{CD}\right]=\mathrm{2}×{AC} \…

Question Number 49970 by behi83417@gmail.com last updated on 12/Dec/18 Commented by behi83417@gmail.com last updated on 12/Dec/18 $$ABC,equilateral.AD=DC,\measuredangle CDE={30}^{\bullet }$$$$\Rightarrow \frac{area\left[ABED\right]}{area\left[EDC\right]}=?$$ Answered by mr W…

Question Number 180998 by HeferH last updated on 20/Nov/22 Answered by mr W last updated on 20/Nov/22 $$\left[\mathrm{\Delta }ADB\right]=\left[\mathrm{\Delta }AEB\right]+green$$$$=\left[\mathrm{\Delta }AEB\right]+magenta$$$$=\left[\mathrm{\Delta }AFB\right]$$$$\Rightarrow{DF}//{AB} \…

Question Number 180931 by ajfour last updated on 19/Nov/22 Commented by ajfour last updated on 19/Nov/22 $$3\cos 15°?$$ Commented by mr W last updated…