Mathematics, 25.09.2019 00:00, maya4321

In exercises 11-13 use euler's formula f + v = e + 2 to find the number of faces, edges or vertices.
11. a prism has 6 faces and 8 vertices. how many edges does it have?
12. a pyramid has 4 faces and 4 vertices. how many edges does it have?
13. a pyramid has 8 edges and 5 vertices. how many edges does it have?

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In exercises 11-13 use euler's formula f + v = e + 2 to find the number of faces, edges or vertices....