Category: Coordinate Geometry

Question Number 6681 by Tawakalitu. last updated on 11/Jul/16 Answered by Rasheed Soomro last updated on 12/Jul/16 $$Join\mathrm{O}and\mathrm{Y}.$$$$\because \mathrm{OX}=\mathrm{OY}=\mathrm{OZ}\left[Radiiofsamecircle\right]$$$$\therefore △\mathrm{XOY}and△\mathrm{ZOY}areissosceltriangles.$$$$\therefore\:\:\angle\mathrm{XYO}=\angle\mathrm{OXY}=\mathrm{30}\:\:\:{and}\:\:\:\:\angle\mathrm{ZYO}=\angle\mathrm{OZY}=\mathrm{20} \…

Question Number 137412 by oustmuchiya@gmail.com last updated on 02/Apr/21 Answered by herbert last updated on 02/Apr/21 $$gradientof{l}_1=\frac{2+4}{5+1}=\frac{6}{6}=1$$$$butgradof{l}_1\times l_2=-1$$$${grad}\:{of}\:{l}_{\mathrm{2}} =−\mathrm{1}…

Question Number 6203 by sanusihammed last updated on 18/Jun/16 Answered by nburiburu last updated on 25/Jun/16 $$defining$$$$AC=a$$$$AB=b$$$$then$$$${BC}=\sqrt{{a}^{\mathrm{2}}…

Question Number 136781 by bramlexs22 last updated on 25/Mar/21 $$$$What is the equation of the circle passing though (-2,-4) and (4,6) its center…

Question Number 136604 by bemath last updated on 23/Mar/21 $$$$What is the equation of a tangent to a circle whose equation is x^2+y^2−2x−4y=1 at point (1+√5,3)…