Category: Geometry

Question Number 41348 by behi83417@gmail.com last updated on 06/Aug/18 Commented by MJS last updated on 06/Aug/18 $$\mathrm{trapezoid}ABCD$$$$a=ABb=BCc=CDd=DA$$$$e=ACf=BD$$$$\mathrm{which}\mathrm{triangles}\mathrm{do}\mathrm{you}\mathrm{mean}?$$$$\bigtriangleup{ABC}\:\mathrm{and}\:\bigtriangleup{ABD}?…

Question Number 172412 by cherokeesay last updated on 26/Jun/22 Answered by aleks041103 last updated on 26/Jun/22 $$distancefromunknowncenterto$$$$leftsideisr.$$$$distancefromcentertotopsideisd.$$$$\Rightarrow\left(\mathrm{6}−{d}\right)^{\mathrm{2}} +\left(\mathrm{6}−{r}\right)^{\mathrm{2}} =\left(\mathrm{6}+{r}\right)^{\mathrm{2}}…

Question Number 41324 by ajfour last updated on 05/Aug/18 Commented by ajfour last updated on 05/Aug/18 $$Howtoconstructthedottedblue$$$$circlepassingthroughAand$$$$tangenttotheshownlinesuch$$$$thattheredlineishorizontal.$$$$\left({construction}\:{methods}\:{only}\:{please}\right).…

Question Number 172284 by mnjuly1970 last updated on 25/Jun/22 Answered by mr W last updated on 25/Jun/22 $$sayAC=e,BD=f$$$$\cos B=\frac{a^2+b^2-e^2}{2ab}$$$$\mathrm{cos}\:{D}=\frac{{c}^{\mathrm{2}}…

Question Number 172225 by mnjuly1970 last updated on 24/Jun/22 Answered by infinityaction last updated on 24/Jun/22 Commented by mnjuly1970 last updated on 24/Jun/22 $${thanks}\:{alot}\:{sir} \…