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.
How and Whey excel file crashes and the attempts to repair those errors cab be easily achieved. However, to recover excel file when excel crashes is the complex task that is easy to achieve with our excel recovery software. With software you can not only recover excel file after crashes but restores the complete data, formats, functions, macros, hyperlinks and lot more, as it is.