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Category: Geometry

Question-90514

Question Number 90514 by I want to learn more last updated on 24/Apr/20 Commented by $@ty@m123 last updated on 24/Apr/20 $$\mathrm{tan}\:\mathrm{20}^{\mathrm{o}} =\frac{{BC}}{\mathrm{4}+{x}} \\ $$$${BC}=\mathrm{0}.\mathrm{364}\left(\mathrm{4}+{x}\right)….\left(\mathrm{1}\right) \\…

ABCD-is-a-square-with-side-length-1-E-is-a-moving-point-between-B-amp-C-F-is-a-moving-point-between-C-amp-D-Find-the-maximum-radius-of-inscribed-circle-in-AEF-

Question Number 90456 by Tony Lin last updated on 23/Apr/20 $${ABCD}\:{is}\:{a}\:{square}\:{with}\:{side}\:{length}=\mathrm{1} \\ $$$${E}\:{is}\:{a}\:{moving}\:{point}\:{between}\:{B\&C} \\ $$$${F}\:{is}\:{a}\:{moving}\:{point}\:{between}\:{C\&D} \\ $$$${Find}\:{the}\:{maximum}\:{radius}\:{of}\:{inscribed} \\ $$$${circle}\:{in}\:\bigtriangleup{AEF} \\ $$ Answered by mr W…

Question-90347

Question Number 90347 by mr W last updated on 22/Apr/20 Commented by mr W last updated on 22/Apr/20 $${the}\:{parabola}\:{has}\:{the}\:{same}\:{shape}\:{as} \\ $$$${y}={x}^{\mathrm{2}} .\:{find}\:{it}'{s}\:{equation}\:{if}\:{it}\:{passes} \\ $$$${through}\:{O},\:{A},\:{B}\:{as}\:{shown}. \\…