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Category: Geometry

ABCD-is-a-cyclic-quadrilateral-x-y-z-are-the-distances-of-A-from-the-lines-BD-BC-CD-respectively-Prove-that-BD-x-BC-y-CD-z-

Question Number 21571 by Tinkutara last updated on 27/Sep/17 $${ABCD}\:\mathrm{is}\:\mathrm{a}\:\mathrm{cyclic}\:\mathrm{quadrilateral};\:{x},\:{y},\:{z} \\ $$$$\mathrm{are}\:\mathrm{the}\:\mathrm{distances}\:\mathrm{of}\:{A}\:\mathrm{from}\:\mathrm{the}\:\mathrm{lines} \\ $$$${BD},\:{BC},\:{CD}\:\mathrm{respectively}.\:\mathrm{Prove}\:\mathrm{that} \\ $$$$\frac{{BD}}{{x}}\:=\:\frac{{BC}}{{y}}\:+\:\frac{{CD}}{{z}}. \\ $$ Answered by revenge last updated on 29/Sep/17…

The-kinetic-energy-of-a-body-increases-by-100-Find-the-increase-in-its-momentum-please-solve-with-explanations-where-necessary-Thanks-

Question Number 21490 by NECx last updated on 24/Sep/17 $$\mathrm{The}\:\mathrm{kinetic}\:\mathrm{energy}\:\mathrm{of}\:\mathrm{a}\:\mathrm{body} \\ $$$$\mathrm{increases}\:\mathrm{by}\:\mathrm{100\%}.\mathrm{Find}\:\mathrm{the}\:\% \\ $$$$\mathrm{increase}\:\mathrm{in}\:\mathrm{its}\:\mathrm{momentum}. \\ $$$$ \\ $$$$\mathrm{please}\:\mathrm{solve}\:\mathrm{with}\:\mathrm{explanations} \\ $$$$\mathrm{where}\:\mathrm{necessary}.\:\mathrm{Thanks}. \\ $$ Answered by ajfour…

Question-86907

Question Number 86907 by TawaTawa1 last updated on 01/Apr/20 Commented by mr W last updated on 01/Apr/20 $${question}\:{is}\:{wrong}\:!? \\ $$$${there}\:{are}\:{infinite}\:{possibilities}\:{for} \\ $$$${PQRS}. \\ $$$$\frac{\left[{PQRS}\right]}{\Delta{ABC}}\neq{constant},\:{but}\:{min}.=\frac{\mathrm{2}}{\mathrm{5}} \\…

What-do-you-guys-think-of-creating-a-Telegram-group-to-discuss-theory-and-more-descriptive-questions-

Question Number 21310 by dioph last updated on 20/Sep/17 $$\mathrm{What}\:\mathrm{do}\:\mathrm{you}\:\mathrm{guys}\:\mathrm{think}\:\mathrm{of} \\ $$$$\mathrm{creating}\:\mathrm{a}\:\mathrm{Telegram}\:\mathrm{group}\:\mathrm{to} \\ $$$$\mathrm{discuss}\:\mathrm{theory}\:\mathrm{and}\:\mathrm{more}\:\mathrm{descriptive} \\ $$$$\mathrm{questions}? \\ $$ Commented by imistakedn last updated on 20/Sep/17…