A convex polyhedron has 12 faces and 20 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 = 20 + 12 − 2 = 30.
A convex polyhedron has 12 faces and 20 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 = 20 + 12 − 2 = 30.