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22 August, 10:07

A convex polyhedron has (9a - 1) faces, (8a) vertices, and (16a) edges. What is the value of a?

Euler's formula: V + F = E + 2

a=?

+2
Answers (1)
  1. 22 August, 10:36
    0
    8a + 9a - 1 = 16a + 2

    17a - 1 = 16a + 2

    add 1 to 2 and add - 16a to 17a

    a = 3
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