Pure mathematics is, in its way, the poetry of logical ideas. --- Albert Einstein ...Economics is nothing but Mathematics -Dr.Ahsan Abbass...Symmetry is Ornament of Mathematics-Zulfiqar Ali Mir...Law of Nature are But Mathematical Thoughts of God - Euclid (Father of Geometry)...Mathematics is about Number and pattern among these nos.-Sir Zulfiqar A Mir,... Number Theory is Foundation of Mathematics-Sir Zulfiqar Ali Mir

Tuesday, 11 October 2011

Congruent Triangles

Congruent triangles are a special type of similar triangles. Congruent triangles have the same shape (similar triangles) and size.

Since the sum of three angles must be 180o, the third pair of corresponding angles must also be congruent when the first two pairs of corresponding angles are congruent.

Two triangles are congruent if:
  • all 6 pairs of corresponding angles and sides are congruent.
The factor for congruent triangles is 1

SSS (Side, Side, Side) Congruence Relation
If all 3 pairs of corresponding sides in two triangles are the same, then the triangles are congruent.

Triangle Congruence Relations



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