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Angles of the chamfer function

Hello.
I would like to draw a Z shape table. Here are the calculated angles and sizes.
But when I set the sizes and angles in OnShape I've got a really different format. I use part chamfer angle and size settings.
Here is my drawing link: https://cad.onshape.com/documents/936029106eb2f91770529e7e/w/4248719846ac609fb22e184f/e/af68d841dbac5042ab53796d?renderMode=0&uiState=68f23cf869c60aa711ae7a07
If you can explain me how to set up correctly I would really appreciate it.
If you need any details let me know.
Answers
Looks like you're over constraining. Too many or the wrong things dimensioned. Place you preferred dimensions and add any reference dimensions wanted(grey dimensions are ref) The difference between driving and driven. In this sketch because of existing contraints only 2 driving dimensions allowed.