1. Open the proof in Spark! if it is not already open.
2. Click the Rotate Left (counter-clockwise)and Rotate Right (clockwise) buttons on the toolbar to rotate the document by 90 degree increments.
1. Open the proof in Spark! if it is not already open.
2. Click the Rotate Left (counter-clockwise)and Rotate Right (clockwise) buttons on the toolbar to rotate the document by 90 degree increments.