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erma4kov [3.2K]
3 years ago
9

Mario’s company makes unusually shaped imitation gemstones. One gemstone had 10 faces and 11 vertices. How many edges did the ge

mstone have?
Mathematics
1 answer:
saul85 [17]3 years ago
6 0
Euler formula: VERTICES + FACES - EDGES = 2

11+10 -E = 2

21-2 = E and E(edges) = 19
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