Question Number 14905 by ajfour last updated on 05/Jun/17 Commented by ajfour last updated on 05/Jun/17 $${Q}.\:\mathrm{14797}\:\left({construction}\:{method}\right) \\ $$$${given}\:{DE}={a},\:\:{EB}={b}\:;\:{find} \\ $$$${Area}\:{of}\:\bigtriangleup{AEC}. \\ $$$$ \\ $$$${let}\:{diagonal}\:{of}\:{square}=\mathrm{2}{s}…
Question Number 14863 by b.e.h.i.8.3.4.1.7@gmail.com last updated on 05/Jun/17 Commented by adelson last updated on 05/Jun/17 $${what}'{s}\:\boldsymbol{{W}}? \\ $$ Commented by b.e.h.i.8.3.4.1.7@gmail.com last updated on…
Question Number 14809 by Tinkutara last updated on 04/Jun/17 $$\mathrm{Let}\:{ABC}\:\mathrm{be}\:\mathrm{an}\:\mathrm{acute}\:\mathrm{triangle}.\:\mathrm{Find} \\ $$$$\mathrm{the}\:\mathrm{positions}\:\mathrm{of}\:\mathrm{the}\:\mathrm{points}\:{M},\:{N},\:{P}\:\mathrm{on} \\ $$$$\mathrm{the}\:\mathrm{sides}\:{BC},\:{CA},\:{AB},\:\mathrm{respectively}, \\ $$$$\mathrm{such}\:\mathrm{that}\:\mathrm{the}\:\mathrm{perimeter}\:\mathrm{of}\:\mathrm{the}\:\mathrm{triangle} \\ $$$${MNP}\:\mathrm{is}\:\mathrm{minimal}. \\ $$ Commented by RasheedSoomro last updated…
Question Number 14810 by Tinkutara last updated on 04/Jun/17 $$\mathrm{7}\:\mathrm{real}\:\mathrm{numbers}\:\mathrm{are}\:\mathrm{given}\:\mathrm{in}\:\mathrm{the}\:\mathrm{interval} \\ $$$$\left(\mathrm{1},\:\mathrm{13}\right).\:\mathrm{Prove}\:\mathrm{that}\:\mathrm{atleast}\:\mathrm{3}\:\mathrm{of}\:\mathrm{them} \\ $$$$\mathrm{are}\:\mathrm{the}\:\mathrm{lengths}\:\mathrm{of}\:\mathrm{a}\:\mathrm{triangle}'\mathrm{s}\:\mathrm{sides}. \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 14807 by Tinkutara last updated on 04/Jun/17 $$\mathrm{Prove}\:\mathrm{that}\:\mathrm{the}\:\mathrm{medians}\:\mathrm{of}\:\mathrm{a}\:\mathrm{given} \\ $$$$\mathrm{triangle}\:\mathrm{can}\:\mathrm{form}\:\mathrm{a}\:\mathrm{triangle}. \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 14797 by b.e.h.i.8.3.4.1.7@gmail.com last updated on 04/Jun/17 Commented by mrW1 last updated on 05/Jun/17 $${we}\:{know}\:{when}\:{the}\:{top}\:{point}\:{of}\:{a} \\ $$$${triangle}\:{is}\:{moved}\:{parallel}\:{to}\:{the}\:{base} \\ $$$${line},\:{the}\:{area}\:{of}\:{the}\:{triangle}\:{remains} \\ $$$${unchanged}. \\ $$$${we}\:{move}\:{the}\:{point}\:{E}\:{in}\:{this}\:{way}\:{such}…
Question Number 80260 by Power last updated on 01/Feb/20 Commented by MJS last updated on 01/Feb/20 $$\mathrm{this}\:\mathrm{is}\:\mathrm{hardly}\:\mathrm{understandable}.\:\mathrm{please}\:\mathrm{post} \\ $$$$\mathrm{in}\:\mathrm{better}\:\mathrm{English} \\ $$ Commented by mr W…
Question Number 14724 by b.e.h.i.8.3.4.1.7@gmail.com last updated on 03/Jun/17 Commented by b.e.h.i.8.3.4.1.7@gmail.com last updated on 03/Jun/17 $${AB}=\mathrm{13},{BC}=\mathrm{16},{AC}=\mathrm{15} \\ $$$${AD}={DC},{DE}\bot{AC}\:\: \\ $$$$……………………………. \\ $$$$\:\:\:\:\:\:\:{DE}=? \\ $$…
Question Number 80222 by mr W last updated on 01/Feb/20 Commented by mr W last updated on 01/Feb/20 $${A}\:{round}\:{steel}\:{plate}\:{with}\:{radius}\:{R}\:{has} \\ $$$${a}\:{round}\:{hole}\:{with}\:{radius}\:{r}\:{as}\:{shown}. \\ $$$${Was}\:{is}\:{the}\:{maximal}\:{area}\:{of}\:{the}\:{ellipse} \\ $$$${which}\:{can}\:{be}\:{cut}\:{off}\:{from}\:{the}\:{plate}?…
Question Number 14661 by ajfour last updated on 03/Jun/17 Commented by ajfour last updated on 03/Jun/17 $$\boldsymbol{{Prove}}\:\boldsymbol{{Pythagoras}}\:\boldsymbol{{theorem}} \\ $$$${with}\:{the}\:{aid}\:{of}\:{image}\:{above}\:. \\ $$ Answered by b.e.h.i.8.3.4.1.7@gmail.com last…