Sunday, February 7, 2010

Euclid's Elements Book I, Proposition 4: SAS

If two triangles have two sides equal to two sides respectively, and have the angles contained by the equal sides also equal, then the two triangles are congruent
Click the figure bellow to see the illustration.

Euclid's Elements Book I, Proposition 4.

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Euclid's Elements Book I, Proposition 4

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