posted by shane .
Danish used 9 balls of clay and 16 straws to make a solid pyramid. How many faces does the solid have?
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:
Solve for F.
Denisha used 9 balls of clay and 16 straws to make a solid pyramid.how many faces does the solid have?