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.
OPTION TWO. To Recover an Unsaved Version of an Office 2013 File. Note. This option is for when you want to recover a file you have not saved yet when a crash or power loss happened. 1. Open Word 2013, Excel 2013, or PowerPoint 2013, and do step 2 or 3 below depending on if Office was able to AutoRecover the file.