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Posted by on Tuesday, March 29, 2011 at 5:00pm.

Danish used 9 balls of clay and 16 straws to make a solid pyramid. How many faces does the solid have?

  • math - , Tuesday, March 29, 2011 at 6:00pm

    Each ball of clay is used to make a vertex (V of them).
    Each straw is used to make an edge (E of them.)
    Using Euler's formula, the number of faces is given by the formula:
    V+F=E+2

    Solve for F.

  • math - , Wednesday, February 29, 2012 at 7:45pm

    N/a

  • math - , Tuesday, March 13, 2012 at 6:30pm

    8 faces

  • math - , Wednesday, March 13, 2013 at 9:45pm

    8 faces

  • math - , Tuesday, April 2, 2013 at 7:22pm

    Denisha used 9 balls of clay and 16 straws to make a solid pyramid.how many faces does the solid have?

  • math - , Tuesday, March 11, 2014 at 6:50pm

    8
    faces

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