Question Number 94201 by $@ty@m123 last updated on 17/May/20 Commented by $@ty@m123 last updated on 17/May/20 Find the area of shaded region if side of square is a and radius of arc is a. Answered by mr W last updated on 17/May/20…
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Question Number 94144 by Tony Lin last updated on 17/May/20 $${There}\:{is}\:{a}\:{moving}\:{point}\:{P}\:{in}\:{a}\:{triangle} \\ $$$$\:{ABC}\:{of}\:{which}\:{sides}\:{are}\:{a},{b},{c}\:{and}\:{a}>{b}>{c} \\ $$$${find}\:{the}\:{minimum}\:{and}\:{maximum} \\ $$$${of}\:{AP}+{BP}+{CP} \\ $$ Commented by Tony Lin last updated…
Question Number 28597 by beh.i83417@gmail.com last updated on 27/Jan/18 Commented by beh.i83417@gmail.com last updated on 27/Jan/18 $$\boldsymbol{{also}}\:\boldsymbol{{largest}}\:\boldsymbol{{square}}\:,\boldsymbol{{inscribed}}\:\boldsymbol{{in}} \\ $$$$\boldsymbol{{equilateral}}\:\boldsymbol{{triangle}}\:\boldsymbol{{of}}\:\boldsymbol{{side}}=\mathrm{1}\:\:\boldsymbol{{unit}}. \\ $$ Answered by mrW2 last…
Question Number 159606 by mr W last updated on 19/Nov/21 Commented by mr W last updated on 19/Nov/21 $${Q}\mathrm{158964} \\ $$ Answered by mr W…
Question Number 28518 by beh.i83417@gmail.com last updated on 26/Jan/18 Commented by beh.i83417@gmail.com last updated on 26/Jan/18 $$\boldsymbol{{all}}\:\boldsymbol{{radii}}=\mathrm{1},\:\boldsymbol{{ab}}=? \\ $$$$\boldsymbol{{find}}\:\boldsymbol{{radius}}\:\boldsymbol{{of}}\:\boldsymbol{{a}}\:\boldsymbol{{circle}}\left({or}\:{circles}\right)\:\boldsymbol{{that}} \\ $$$$\boldsymbol{{tangents}}\:\boldsymbol{{to}}\:\boldsymbol{{this}}\:\mathrm{3}\:\boldsymbol{{circles}}. \\ $$ Commented by…
Question Number 28516 by beh.i83417@gmail.com last updated on 26/Jan/18 Commented by beh.i83417@gmail.com last updated on 26/Jan/18 $$\frac{\boldsymbol{{r}}}{\boldsymbol{{s}}}=? \\ $$ Answered by mrW2 last updated on…
Question Number 28464 by ajfour last updated on 26/Jan/18 Answered by mrW2 last updated on 26/Jan/18 $${eqn}.\:{of}\:{ellipse}: \\ $$$$\frac{{x}^{\mathrm{2}} }{{a}^{\mathrm{2}} }+\frac{{y}^{\mathrm{2}} }{{b}^{\mathrm{2}} }=\mathrm{1} \\ $$$$\frac{\mathrm{2}{x}}{{a}^{\mathrm{2}}…
Question Number 93986 by $@ty@m123 last updated on 16/May/20 Answered by mr W last updated on 16/May/20 Commented by mr W last updated on 16/May/20…
Question Number 159392 by ajfour last updated on 16/Nov/21 Commented by ajfour last updated on 16/Nov/21 $$\:\:{Find}\:{radius}\:{of}\:{the}\:{circles}\left({equal}\right). \\ $$ Answered by mr W last updated…