Why is AAA congruency not used?

Last updated at August 8, 2026 by

Suppose we have two triangles,

73.jpg

Here,

  All the three angles of both triangle are equal,

But, sides are not equal

So, triangles are not congruent

i.e. ∆ABC ≇ ∆PQR

 

But,

    These triangles are similar

    Check AAA similarity criteria .

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