Category: Geometry

Question Number 64949 by Tony Lin last updated on 23/Jul/19 Commented by Tony Lin last updated on 23/Jul/19 $$findx$$ Answered by MJS last…

Question Number 64901 by LPM last updated on 23/Jul/19 Commented by LPM last updated on 23/Jul/19 $$\mathrm{KM}=?$$ Commented by Tony Lin last updated…

Question Number 64887 by ajfour last updated on 22/Jul/19 Answered by mr W last updated on 22/Jul/19 $$let\lambda =\frac{a}{R}$$$$\mathrm{cos}\:\alpha=\frac{\left(\frac{{a}}{\mathrm{2}}\right)^{\mathrm{2}} +{R}^{\mathrm{2}} −{a}^{\mathrm{2}} }{\mathrm{2}×\frac{{a}}{\mathrm{2}}×{R}}=\frac{\mathrm{4}{R}^{\mathrm{2}} −\mathrm{3}{a}^{\mathrm{2}} }{\mathrm{4}{aR}}=\frac{\mathrm{4}−\mathrm{3}\lambda^{\mathrm{2}}…

Question Number 130241 by mr W last updated on 23/Jan/21 Commented by mr W last updated on 23/Jan/21 $$threecircleswithradiip,q,rhave$$$$thesamecenter.(p<q<r)$$$$whatisthesidelengthofthesmallest$$$${and}\:{the}\:{largest}\:{square}\:{which}\:{has}…

Question Number 64625 by ajfour last updated on 19/Jul/19 Commented by ajfour last updated on 19/Jul/19 $$AreAD,BE,CFconcurrent$$$$generally?pleasehelpcheck.$$ Commented by MJS last…