Answer
F=9
V=7
E=14
9+7=14+2
16=16
Work Step by Step
Count the faces, vertices, and edges in the figure. Then, apply Euler's equation (V+F=E+2).
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.