Answer: When a transversal cuts (or intersects) parallel lines several pairs of congruent and supplementary angles are formed. There are 3 types of angles that are congruent: Alternate Interior, Alternate Exterior and Corresponding Angles. Some people find it helpful to use the 'Z test ' for alternate interior angles. If you can draw a Z or a 'backwards z', then the alternate interior angles are the ones that are in the corners of the Z.
Recover A Deleted Worksheet Sheet Tab in Excel. You probably have discovered that when you (accidentally) delete a sheet there is no Undo option to bring it back. One solution is to close your workbook without saving the changes and then reopen it in its original state.
You can recover any file deleted in the last 30 days from the Dropbox website. 1  Click the trash can icon near the search box at the top of the file browser. 2  All deleted files will show up in the file list in gray. 3  Click the Restore button from the bar at the top of the file browser. All deleted files will show up in the file list in gray. 2  Select the deleted file you want to recover by clicking the empty space to the right of its name. 3  Click the Restore button from the bar at the top of the file browser.