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Category: Geometry

Question-191404

Question Number 191404 by Mingma last updated on 23/Apr/23 Answered by mr W last updated on 23/Apr/23 $${as}\:{Q}\mathrm{191305}\:{but}\:\theta=\mathrm{0}° \\ $$$${r}=\frac{{ab}}{{a}+{b}+\sqrt{{a}^{\mathrm{2}} +{b}^{\mathrm{2}} }+\left({a}+\sqrt{\mathrm{3}}{b}\right)\mathrm{sin}\:\theta+\left(\sqrt{\mathrm{3}}{a}+{b}\right)\mathrm{cos}\:\theta} \\ $$$${with}\:\theta=\mathrm{0}° \\…

Question-191403

Question Number 191403 by Mingma last updated on 23/Apr/23 Answered by mr W last updated on 23/Apr/23 $${as}\:{Q}\mathrm{191305}\:{but}\:\theta=\mathrm{45}° \\ $$$${r}=\frac{{ab}}{{a}+{b}+\sqrt{{a}^{\mathrm{2}} +{b}^{\mathrm{2}} }+\left({a}+\sqrt{\mathrm{3}}{b}\right)\mathrm{sin}\:\theta+\left(\sqrt{\mathrm{3}}{a}+{b}\right)\mathrm{cos}\:\theta} \\ $$$${with}\:\theta=\mathrm{45}° \\…

Question-60313

Question Number 60313 by ajfour last updated on 19/May/19 Commented by ajfour last updated on 19/May/19 $$\mathrm{Find}\:\mathrm{side}\:\mathrm{length}\:\boldsymbol{{l}}\:\mathrm{of}\:\mathrm{largest}\:\mathrm{equilateral} \\ $$$$\mathrm{triangle}\:\mathrm{circumscribing}\:\mathrm{a}\:\mathrm{given} \\ $$$$\bigtriangleup\mathrm{ABC}\:\left(\mathrm{sides}\:\mathrm{a},\mathrm{b},\mathrm{c}\right). \\ $$ Answered by…