selecting paths which coincide

i'm going making circular shape, subdividing drawing paths across , asking ai divide objects underneath. result in number of pie-shaped , rectangular sections of circle have edges coincide. @ point want select 1 of these sub-sections @ time. seems bit difficult of edges coincide. how work situation this?

madobe,

 

as (mis)understand it, may click top path segment direct selection tool , see whether have right one.

 

if have, continue.

 

if not, lock path in layers palette , (you able to) click bottom path segment direct selection tool, continue; remember unlock top path.

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