A convex polyhedron has 10 faces and 12 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 = 12 + 10 − 2 = 20.
A convex polyhedron has 10 faces and 12 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 = 12 + 10 − 2 = 20.