 
 <translate> After geometry class, Bill wants to count how many lines he drew. For each shape, he drew one line per side. If he drew 12 triangles, 8 squares, and 4 pentagons, how many lines did he draw? Let's answer step by step: <hau> Bayan karatun lissafi, Bill yana so ya ƙidaya yawan layin da ya zana. Ga kowane siffa, ya zana layi ɗaya a kowane gefe. Idan ya zana triangles 12, murabba'i 8, da pentagons 4, layuka nawa ya zana? Bari mu amsa mataki-mataki: 