Category: Geometry

Question Number 191841 by Mingma last updated on 01/May/23 Answered by som(math1967) last updated on 01/May/23 $$from△ADC$$$$\frac{AD}{sin30}=\frac{AC}{sin110}$$$$\Rightarrow \frac{AD}{\sin 30}=\frac{AC}{\sin 70}\dots \dots 1$$$$from△ABD$$$$\:\frac{\mathrm{sin}\:\mathrm{20}}{{AD}}=\frac{\mathrm{sin}\:\mathrm{40}}{{BD}}\:\:\:…..\mathrm{2}…

Question Number 60647 by ajfour last updated on 23/May/19 Commented by ajfour last updated on 23/May/19 $$Findmaximumsidelengthofa$$$$squarecircumscribingarectangle$$$$withsidesaandb.$$ Commented by…

Question Number 126080 by ajfour last updated on 17/Dec/20 Commented by ajfour last updated on 18/Dec/20 $$Cylinderandspherehavethe$$$$sameradius.Anequilateral$$$$triangularplaterestsonsphere$$$$withtwoverticesagainstcurved$$$${surface}\:{of}\:{cylinder}\:{and}\:{top}\:{vertex}…

Question Number 60527 by ajfour last updated on 21/May/19 Commented by ajfour last updated on 21/May/19 $$\mathrm{Find}\mathrm{maximum}\mathrm{area}\mathrm{of}\mathrm{quadrilateral}$$$$\mathrm{OAPB}.\mathrm{The}\mathrm{ellipse}\mathrm{equation}\mathrm{is}\mathrm{the}$$$$\mathrm{usual}\mathrm{one}.$$ Answered by…

Question Number 126049 by fajri last updated on 16/Dec/20 $$$$$$\mathrm{if}\mathrm{in}\mathrm{triangle}\mathrm{AB}C,\mathrm{AD}\mathrm{is}\mathrm{a}\mathrm{bisector}\mathrm{of}$$$$\mathrm{an}g\mathrm{le}\mathrm{A}\mathrm{then}\mathrm{BD}:\mathrm{DC}=\mathrm{AB}:\mathrm{AC}$$$$\mathrm{investigate},\mathrm{is}\mathrm{the}\mathrm{statement}\mathrm{true}\mathrm{ore}$$$$\mathrm{fals}e?$$ Terms of Service Privacy Policy…