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1961 IMO Problems/Problem 5

Revision as of 21:01, 6 April 2007 by Teki-Teki (talk | contribs)
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Construct a triangle ABC if the following elements are given: $AC = b, AB = c$, and $\angle AMB = \omega \left(\omega < 90^{\circ}\right)$ where M is the midpoint of BC. Prove that the construction has a solution if and only if

$b \tan{\frac{\omega}{2}} \le c < b$

In what case does equality hold?

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