state asa congruency rule

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asked Sep 30, 2018 in Class XII Maths by djdilip7795 (15 points)

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answered Sep 30, 2018 by sneha25 Pro (116 points)
Angle-Side-Angle (ASA) Rule
Angle-side-angle is a rule used to prove whether a given set of triangles are congruent.

The ASA rule states that

If two angles and the included side of one triangle are equal to two angles and included side of another triangle, then the triangles are congruent.
ASA Postulate: If there exits a correspondence between the vertices of two triangles such that two angles and the included side of one triangle are congruent to the corresponding parts of the other triangle, the two triangles are congruent.

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