Monday, November 9, 2009

Geometry: How can we prove two triangles are congruent?

Geometry:  
How do we prove two triangles are congruent? If you know three corresponding sides are congruent, then you can use the Side-Side-Side Postulate. If you know two corresponding sides and the included angle are congruent, then you can use the Side-Angle-Side Postulate. There is a HUGE difference between what we know (ex: Definition of midpoint, Reflexive Property, etc.) and what we accidentally assume.
  1. Assignment: p. 216 - 217 / 12 - 17, 20, 21

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