asked 63.4k views
5 votes
Mario’s company makes unusually shaped imitation gemstones. One gemstone had 10 faces and 11 vertices. How many edges did the gemstone have?

1 Answer

3 votes
Euler formula: VERTICES + FACES - EDGES = 2

11+10 -E = 2

21-2 = E and E(edges) = 19
answered
User Evertvandenbruel
by
7.7k points
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