Question
Use Euler's Theorem, F + V = E + 2.
Solve for the missing part.
Faces= 8
Vertices= 12
Edges= ?
- 15
- 18
- 20
- 22
Hint:
Solve the linear equation step by step.
The correct answer is: 18
Faces= 8
Vertices= 12
Know how to solve the linear equation.
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