Aconvex polyhedron has faces that consist of 30 squares, 20 hexagons, and 12 octagons. the polyhedron has 120 vertices. how many edges does it have? euler’s formula: v + f = e + 2

Add the total faces: 30 + 20 + 12 = 62

Using the given equation: V + F = E +2

You have F = 62, V = 120

Now solve for E:

120 + 62 = E +2

Simplify:

182 = E +2

Subtract 2 from both sides:

E = 182 - 2

E = 180

It has 180 edges.

answer: 1 + 1 = 11

step-by-step explanation:

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