Question Number 188119 by mr W last updated on 25/Feb/23 Commented by mr W last updated on 26/Feb/23 $${other}\:{forms}\:{of}\:{Heron}'{s}\:{formua}. \\ $$$${maybe}\:{one}\:{day}\:{you}\:{may}\:{use}\:{them}. \\ $$ Answered by…
Question Number 188095 by normans last updated on 25/Feb/23 Commented by infinityaction last updated on 25/Feb/23 $$\mathrm{20} \\ $$ Commented by Rasheed.Sindhi last updated on…
Question Number 56986 by mr W last updated on 27/Mar/19 Commented by mr W last updated on 27/Mar/19 $${Find}\:{x}=? \\ $$ Answered by MJS last…
Question Number 188059 by normans last updated on 25/Feb/23 Answered by nikif99 last updated on 25/Feb/23 $${A}+{B}+{C}=\mathrm{6}\:\left(\mathrm{1}\right) \\ $$$$\mathrm{2}{A}+{B}=\mathrm{8}\:\left(\mathrm{2}\right) \\ $$$$\mathrm{2}{C}+{E}=\mathrm{6}\:\left(\mathrm{3}\right) \\ $$$${A}+{D}+{E}=\mathrm{9}\:\left(\mathrm{4}\right) \\ $$$${B}+\mathrm{2}{D}=\mathrm{6}\:\left(\mathrm{5}\right)…
Question Number 122513 by ajfour last updated on 17/Nov/20 Commented by ajfour last updated on 17/Nov/20 $${If}\:\:\bigtriangleup{ABC}\:\:{is}\:{equilateral},\:{find} \\ $$$${AD}/{CD}\:. \\ $$ Terms of Service Privacy…
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Question Number 122467 by Dwaipayan Shikari last updated on 17/Nov/20 $$\frac{\mathrm{1}}{\pi^{\mathrm{2}} −\mathrm{1}}+\frac{\mathrm{1}}{\mathrm{4}\pi^{\mathrm{2}} −\mathrm{1}}+\frac{\mathrm{1}}{\mathrm{9}\pi^{\mathrm{2}} −\mathrm{1}}+\frac{\mathrm{1}}{\mathrm{16}\pi^{\mathrm{2}} −\mathrm{1}}+…. \\ $$ Commented by Dwaipayan Shikari last updated on 17/Nov/20…
Question Number 187968 by normans last updated on 24/Feb/23 Commented by a.lgnaoui last updated on 24/Feb/23 $$\mathrm{21}? \\ $$ Commented by a.lgnaoui last updated on…
Question Number 187961 by normans last updated on 24/Feb/23 Answered by HeferH last updated on 24/Feb/23 Commented by HeferH last updated on 24/Feb/23 $${i}.\:\left({R}−\mathrm{3}\right)^{\mathrm{2}} \:=\:\mathrm{9}\:+\:\frac{{R}^{\mathrm{2}}…
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