How to measure the length of a string ? - not in letters

M.E shared this question 2 years ago

When making a geometric exercise generator I would like to get the length of a segment or the size of an angle to be placed in a specific distance from the segments so it is easy to read and without placing it too long away from its object.

Then I need to know the length of the string which writes the size of the segment or angle.

So how can I get GeoGebra to calculate the length of a string? Not in letters, but in the same unit that GeoGebra uses to calculate the distance between objects in the graph or geometric view.

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Thanks. :)

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