[tex]d)\\\\suma\ miar\ katow\ w\ czworokacie\ wynosi\ 360^o\\\\\ \alpha +\alpha -30^o+\alpha +135^o=360^o\\\\3\alpha +105^o=360^o\\\\3\alpha =360^o-105^o\\\\3\alpha =255^o\ \ |:3\\\\\alpha =85^o[/tex]
[tex]e)\\\\ 115^o+\alpha +115^o+\alpha =360^o\\\\2\alpha +230^o=360^o\\\\2\alpha =360^o-230^o\\\\2\alpha =130^o\ \ |:2\\\\\alpha =65^o[/tex]
