Category: Geometry

Question Number 167008 by mnjuly1970 last updated on 04/Mar/22 Answered by mr W last updated on 06/Mar/22 Commented by Tawa11 last updated on 06/Mar/22 $$\mathrm{Great}\:\mathrm{sir}…

Question Number 35871 by MJS last updated on 25/May/18 $$\mathrm{new}\mathrm{idea}\left(\mathrm{and}\mathrm{solution}\right)\mathrm{to}\mathrm{questions}35178\mathrm{\&}35195$$$$$$$$\mathrm{triangle}:$$$$ABC;a=BC,b=CA,c=AB;$$$$\alpha =\mathrm{\angle }CAB,\beta =\mathrm{\angle }ABC,\gamma =\mathrm{\angle }BCA$$$$d=\sqrt{(a+b+c)(a+b-c)(a-b+c)(-a+b+c)}$$$$$$$$\mathrm{put}\:\mathrm{it}\:\mathrm{as}\:\mathrm{this}: \…

Question Number 166917 by ajfour last updated on 02/Mar/22 Commented by mr W last updated on 02/Mar/22 Commented by ajfour last updated on 02/Mar/22 $$\left\{\left(\mathrm{2}{b}−{c}\right)\mathrm{cos}\:\theta−{b}\right\}^{\mathrm{2}}…

Question Number 166888 by cherokeesay last updated on 01/Mar/22 Answered by mr W last updated on 01/Mar/22 Commented by mr W last updated on 01/Mar/22…

Question Number 166875 by amin96 last updated on 01/Mar/22 Commented by amin96 last updated on 01/Mar/22 $$\mathbf{circle}\mathbf{radius}=???$$ Answered by MJS_new last updated on…