Engineering Drawing
When creating a block the drafter needs to pay particular attention to selecting a base point because it determines the __________.

Scale
Color
Rotation angle
Insertion point

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Engineering Drawing
How can the drafter prevent Auto-CAD from placing or stacking another center mark on a circle when adding a diameter dimension to it?

Use the Properties dialog box to turn off the center mark of the dimension
Explode the dimension and then erase the center mark
Use the trim tool to take away the stacked center mark
It can't be done

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