{"paper":{"id":"site-7821","subject":"matematyka","category":"zbiory","year":0,"month":null,"level":"podstawowa","variant":null,"exam_pdf":null,"key_pdf":null,"question_count":1,"source_label":"Matematyka · Zbiory zadań (podstawowa)","subject_label":"Matematyka","category_label":"Zbiory zadań"},"questions":[{"id":"site-7821/zad/3153","paper_id":"site-7821","number":"3153","points":null,"ptype":"open","subject":"matematyka","category":"zbiory","year":0,"month":null,"level":"podstawowa","text":"Pole kwadratu wpisanego w okrąg o promieniu 4 cm jest równe A. 64 cm^2 B. 32 cm^2 C. 16 cm^2 D. 8 cm^2","answer":null,"answer_text":null,"solution":null,"image":"img/site/7821/zad-3153.svg","solution_image":"img/site/7821/rozw-3153.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 (podstawowa)","subject_label":"Matematyka","category_label":"Zbiory zadań"}]}