In Hexagonal Close-packed , the Ideal ratio c/a=1.633, My Question is :
Prove that c/a= 1.633 ?
Write it step by step to find that.
help pleze!

Can you define a and c please.

Can you define a and c please?
Ok. I mean by (a) is the symbal crooked length( hexagonal base *1/6)&
(c) is the hight in Hexagonal