April 2019 0 76 Report
1.Ściany boczne ostrosłupa prawidłowego czworokątnego są trójkątami równobocznymi. Krawędź boczna tego ostrosłupa jest nachylona do płaszczyzny podstawy pod kątem
A. 90 stopni
B.60 stopni
C.45 stopni
D.30 stopni

2.Stożek przecięto płaszczyzną równoległą do podstawy. Oblicz stosunek objętości otrzymanych brył, wiedząc , że pole przekroju stanowi 64% pola podstawy stożka

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