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    				| 1. | Fill in the blanks to make the statements true.If a solid shape has 12 faces and 20 vertices, then the number of edges in this solid is ______. | 
| Answer» If a solid shape has 12 faces and 20 vertices, then the number of edges in this solid is 30. We have, Euler’s formula for any polyhedron is, F + V – E = 2 Given, F = 12, V = 20 Where, face (F) = 12, Vertex (V) = 20, Edge (E) =? Then, 12 + 20 – E = 2 32 – E = 2 32 – 2 = E Edges (E) = 30 | |