Question Number 170270 by cortano1 last updated on 19/May/22
Commented by cortano1 last updated on 19/May/22
$$\:{Find}\:\alpha\: \\ $$
Commented by mr W last updated on 19/May/22
$${no}\:{unique}\:{solution}! \\ $$$$\alpha=\mathrm{60}°−\angle{D} \\ $$
Commented by cortano1 last updated on 19/May/22
$${some}\:{information}\:{seems}\:{to}\:{be} \\ $$$${missing}? \\ $$