SOLUTION: A pyramid with a triangular base has 6 edges and a pyramid with a rectangular base has 8 edges. Write a formula that gives the number of edges (E) for a pyramid with a sided base (

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Question 28742: A pyramid with a triangular base has 6 edges and a pyramid with a rectangular base has 8 edges. Write a formula that gives the number of edges (E) for a pyramid with a sided base (n).
Please help find this answer and to help me show my work as to how i got it.

Answer by venugopalramana(3286)   (Show Source): You can put this solution on YOUR website!
THERE IS ONE APEX AND A BASE FOR PYRAMID.SO IF BASE HAS 3 SIDES/3 VERTICES..THEN THERE WILL BE 3 EDGES CONNECTING 3 VERTICES TO APEX..SO THERE ARE 3*2=6 EDGES IN ALL 3 IN THE BASE 3 ALONG SIDES
SIMILARLY IF BASE HAS 4 SIDES THERE WILL BE 4*2=8 EDGES
SIMILARLY IF BASE HAS N SIDES THERE WILL BE N*2=2N EDGES

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