![Configurations of points - University of Edinburgh](http://s1.studyres.com/store/data/015137023_1-81f4fca54dc47b412253a45d60fd2fec-300x300.png)
Adjacent angles
... The amount of space in square units needed to cover a surface A statement that contains the words “if and only if” (This single statement is equivalent to writing both “if p, then q” and its converse “if q then p.)” ...
... The amount of space in square units needed to cover a surface A statement that contains the words “if and only if” (This single statement is equivalent to writing both “if p, then q” and its converse “if q then p.)” ...