Questions___________________
Before making the figure:
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� What is the meaning of the word DODECAHEDRON?�
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� Do you know the meaning of EDGE, VERTIX and FACE?�
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� Do you remember the definition of an equilateral triangle?�
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� What is a line of symmetry?�
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After making the figure:
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� How many vertices does the figure have?�
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� How many faces does the figure have?�
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� How many (external) edges does the figure have?�
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INVESTIGATE: Do you know any formula that describes the
relationship between the number of vertices and the number of faces?
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