How to insert relatins of dimension?

hi every one
when i make smart dimension the dimension is change in one side only
because the relation not active
how can i solve it?

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4 Answers

Solution is simple.
You started off wrong.
Do only half a drawing with a line to mirror.
Second: mirror the drawing.
Than change one side dimension and you will see that
the mirrored side will change with it.

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sorry i cant make it
by step please

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if you want
equal lines make the equal
Parallel make parallel
Proportional or constant difference add equation

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