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Instructional Video
Khan Academy: Geometry: More on Why Ssa Is Not a Postulate Instructional Video
Khan Academy

Khan Academy: Geometry: More on Why Ssa Is Not a Postulate

9th - 10th Standards
Explains why SSA is not a valid postulate for proving triangle congruence. Practice problems available. This video [7:24] also appears in the Geometry: Triangles strand.
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