# Power Point Presentation on Congruency of Triangles

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Congruent figures

Two figures having the same shape and size are called congruent figures and the relation of two figures being congruent is congruency.

Congruency of triangles
1. Two triangles may or may not be congruent
2. There are different criteria for two triangles to be congruent

SAS (Side Angle Side Criteria)
Two triangles are congruent , if any two sides and the included angle are equal to any two sides and the included angle of the othertriangle.

SAS (Side Angle Side Criteria)
One important point to be noted here is that equality of the INCLUDED angle is essential. In the following example , 2 sides and 1 angle is equal , but the angle is not included , thus , not congruent

AAS (Angle Angle Side Criteria)
Two triangles are congruent if any two angles and the included side of one triangle are equal to the two angles and the included side of the other triangle.

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Power Point Presentation on Congruency of Triangles
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