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OpenStudy (anonymous):
Use Euler's Formula to find the missing number. Faces:_____ Edges:15 Vertices: 9
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OpenStudy (decentnabeel):
do you know Euler's Formula @NiraQ
OpenStudy (decentnabeel):
the Euler's formula is.. V - E + F = 2 V is the vertices E is the edges F is the faces V - E + F = 2 subtract V and add E on both sides F=2-V+E plug the value F=2-9+15 F=8 the answer is.. faces =8
OpenStudy (decentnabeel):
Are you understand @NiraQ
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