Mathematics, 01.08.2020 20:01 allenpaietonp9v8sv

A soccer ball is made of 32 pieces of leather: white hexagons and black pentagons. Each black piece borders only with white pieces, each white piece borders with three black pieces and three white pieces. How many black pieces are needed to manufacture the ball?

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A soccer ball is made of 32 pieces of leather: white hexagons and black pentagons. Each black piece...