Changes related to "Trigonometry/Exercise: Congruent Triangles"
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20 April 2014
- (diff | hist) . . Trigonometry/Angles of a triangle sum to 180 Degrees; 14:08 . . (-7) . . Xania (Rejected the last text change (by 220.127.116.11) and restored revision 2280778 by Recent Runes)
- (diff | hist) . . Trigonometry/Angles of a triangle sum to 180 Degrees; 13:37 . . (+7) . . 18.104.22.168 (→Exercises)