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In the Sketching toolboxes, select Rectangle. In the Graphics window, create a rough Rectangle from starting from by clicking once on the origin and then by clicking once somewhere in the positive XY direction plane. (Make sure that you see a letter P at the origin before you start dragging the rectangleclick. The letter P at the origin means the geometry is constrained at the originimplies that the cursor is directly over a point of intersection.)
You should have something like this:

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