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Dimensioning angled feature
My textbook Dimensioning and Tolerancing Handbook, by XXXXXXXX states the following correct and incorrect method for dimensioning a hole on an angled surface relative the datums on the print (see attached image). Is what the book is stating actually true? It seems like a typo but I could not verify in either in the 2009 standard. I don't understand why you would want to dimension a hole, cylinder, etc. from an intersection point of the datums rather than dimensioning straight from the datums to an intersection point on the angled feature.
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