Question

(iii) A polyhedron has 30 edges and 12 vertices. Find number of faces by using
Euler's formula?​

Answer 1

Answer:

$edges = 30 \\ vertices = 12 \\ eulers \: formula \\ f + v = e + 2 \\ f + 12 = 30 + 2 \\ f + 12 = 32 \\ f = 32 - 12 \\ f = 20 \\ so \: the \: polyhedron \: has \: 20 \: faces$

Step-by-step explanation:

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