Question Number 30090 by gopikrishnan005@gmail.com last updated on 16/Feb/18 $$\mathrm{if}\:\Delta\mathrm{ABC}\:\mathrm{similar}\:\Delta\mathrm{PQR}\:\mathrm{and}\:\mathrm{area}\:\mathrm{of}\:\Delta\mathrm{PQR}=\mathrm{4area}\left(\Delta\mathrm{ABC}\right)\:\mathrm{then}\:\mathrm{AB}:\mathrm{PQ}\:\mathrm{is} \\ $$ Answered by Rasheed.Sindhi last updated on 17/Feb/18 $$\mathrm{mAB}=\mathrm{c},\mathrm{mBC}=\mathrm{a},\mathrm{mAC}=\mathrm{b},\mathrm{s}=\frac{\mathrm{a}+\mathrm{b}+\mathrm{c}}{\mathrm{2}} \\ $$$$\mathrm{mPQ}=\mathrm{r},\mathrm{mQR}=\mathrm{p}\:,\mathrm{mPR}=\mathrm{q},\mathrm{S}=\frac{\mathrm{p}+\mathrm{q}+\mathrm{r}}{\mathrm{2}} \\ $$$$\blacktriangle\mathrm{ABC} \\…
Question Number 161105 by Abdulazizov last updated on 12/Dec/21 Commented by Ari last updated on 12/Dec/21 AD=BC?! Answered by mr W last updated on 12/Dec/21…
Question Number 161033 by cherokeesay last updated on 11/Dec/21 Answered by FongXD last updated on 11/Dec/21 Commented by Tawa11 last updated on 11/Dec/21 $$\mathrm{Great}\:\mathrm{sir} \\…
Question Number 160924 by amin96 last updated on 09/Dec/21 Commented by amin96 last updated on 09/Dec/21 $$ \\ $$green area=? H orthogonal center Answered by…
Question Number 160839 by amin96 last updated on 07/Dec/21 Commented by amin96 last updated on 07/Dec/21 $$\boldsymbol{\mathrm{yellow}}\:\boldsymbol{\mathrm{area}}=? \\ $$ Answered by mr W last updated…
Question Number 160719 by mnjuly1970 last updated on 05/Dec/21 Commented by kowalsky78 last updated on 05/Dec/21 $${I}\:{got}\:\frac{\mathrm{3}}{\mathrm{5}}.\:{Maybe}\:{I}\:{made}\:{some}\:{mistake}. \\ $$ Commented by mr W last updated…
Question Number 95177 by mr W last updated on 23/May/20 Commented by mr W last updated on 23/May/20 $${A},{B},{C},{D}\:{are}\:{centers}\:{of}\:{the}\:{squares}. \\ $$$${Prove}\:{that}\:{AC}={BD}\:{and}\:{AC}\bot{BD}. \\ $$ Commented by…
Question Number 29573 by 33 last updated on 10/Feb/18 $${derive}\:{the}\:{equation}\:{of}\:{a}\:{chain} \\ $$$${of}\:{length}\:{l}\:{mass}\:{m}\:{hanging} \\ $$$${between}\:{two}\:{points}\:{x}\:{distance} \\ $$$${apart}. \\ $$ Commented by 33 last updated on 10/Feb/18…
Question Number 160618 by amin96 last updated on 03/Dec/21 Answered by mr W last updated on 03/Dec/21 Commented by mr W last updated on 03/Dec/21…
Question Number 160608 by amin96 last updated on 03/Dec/21 $$ \\ $$$$ \\ $$ Commented by som(math1967) last updated on 03/Dec/21 $$\mathrm{20}\:{squnits} \\ $$ Commented…