{"paper":{"id":"site-6850","subject":"matematyka","category":"zbiory","year":0,"month":null,"level":null,"variant":null,"exam_pdf":null,"key_pdf":null,"question_count":1,"source_label":"Matematyka · Zbiory zadań","subject_label":"Matematyka","category_label":"Zbiory zadań"},"questions":[{"id":"site-6850/zad/6899","paper_id":"site-6850","number":"6899","points":null,"ptype":"open","subject":"matematyka","category":"zbiory","year":0,"month":null,"level":null,"text":"Dany jest ośmiokąt foremny wpisany w okrąg K. Punkty A oraz B są sąsiednimi wierzchołkami tego ośmiokąta oraz α jest kątem między styczną do okręgu K w punkcie A i bokiem AB wielokąta (zobacz rysunek). [rysunek] \\dok Miara kąta α jest równa A. 45° B. 30° C. 22,5° D. 15°","answer":null,"answer_text":null,"solution":null,"image":"img/site/6850/zad-6899.svg","solution_image":"img/site/6850/rozw-6899.svg","topics":null,"page_from":null,"source":"site","answer_source":null,"answer_text_source":null,"solution_source":null,"text_source":"site","source_label":"Matematyka · Zbiory zadań","subject_label":"Matematyka","category_label":"Zbiory zadań"}]}