Question

How many edges does the solid have?

Answer 1

@SolomonZelman

Answer 2

count all the sides that make up the figure

Answer 3

8

Answer 4

i see more

Answer 5

http://www.ablecrystals.com/shop/images/octahedron_2.jpg

Answer 6

the once you are supposed to see, 8.
include the once there are supposed to be behind, ... ?

Answer 7

the tip: (looking like) /\ will have 4 edges that touch the very top corner.
and so it is for the bottom, (looking like) \/ will have 4 edges that touch the very bottom corner.

then the 4 edges around the shape (the once that are not going down or up, just around)

Answer 8

altogether, how many?

Answer 9

o ok i see now its 12 i was counting the wrong thing

Answer 10

you were likely counting just the solid lines that you can see on the attachment. But the shape itself has more as we should all agree....