Posted by shane 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  MathMate, 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  Anonymous, Wednesday, February 29, 2012 at 7:45pm
N/a

math  zozo, Tuesday, March 13, 2012 at 6:30pm
8 faces

math  Anonymous, Wednesday, March 13, 2013 at 9:45pm
8 faces

math  j, 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  Melly, Tuesday, March 11, 2014 at 6:50pm
8
faces
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