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Question-63256




Question Number 63256 by ajfour last updated on 01/Jul/19
Commented by ajfour last updated on 01/Jul/19
Find r=OB, such that △ABC  has maximum area.
$${Find}\:{r}={OB},\:{such}\:{that}\:\bigtriangleup{ABC} \\ $$$${has}\:{maximum}\:{area}. \\ $$
Commented by ajfour last updated on 02/Jul/19
Is this question wrong ?
$${Is}\:{this}\:{question}\:{wrong}\:? \\ $$
Commented by mr W last updated on 03/Jul/19
i think there should be a solution, but  for α=45° there are two possible  triangles, and for α≠45° there is  only one possible triangle.
$${i}\:{think}\:{there}\:{should}\:{be}\:{a}\:{solution},\:{but} \\ $$$${for}\:\alpha=\mathrm{45}°\:{there}\:{are}\:{two}\:{possible} \\ $$$${triangles},\:{and}\:{for}\:\alpha\neq\mathrm{45}°\:{there}\:{is} \\ $$$${only}\:{one}\:{possible}\:{triangle}. \\ $$

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