A convex polyhedron has 7 faces and 7 vertices. Using Euler’s formula, how many edges does it have?
Note
Euler’s formula is V − E + F = 2, so E = V + F − 2. Here E = 7 + 7 − 2 = 12.
A convex polyhedron has 7 faces and 7 vertices. Using Euler’s formula, how many edges does it have?
Euler’s formula is V − E + F = 2, so E = V + F − 2. Here E = 7 + 7 − 2 = 12.