Picas are 1/6 inch and contain 12 points ... tick on the checkbox of the ‘Ruler’ option and the ruler will appear in inches instead of cm. Hope this helps. Here you can find a setting called ...

What you need: ruler, protractor, pencil and paper. Use these to construct a triangle when you know the length of 1 side and the 2 angles at each end of it. In this case use the length 8 cm ...