SAS congruence rule states that if two sides and an angle in the middle of the two sides are equal, the two triangles are congruent.SSS congruence rule states that if all sides of a triangle are equal, the triangles are congruent.There are 4 rules to determine if two triangles are congruent: SSS, SAS, ASA, RHS.Congruent triangles are those triangles whose sides and angles are exactly equal.
If all the three corresponding sides of two triangles are equal then they are said to be congruent by SSS rule. RHS (Right angle- Hypotenuse-Side)- If the hypotenuse and side of one right-angled triangle are equal to the hypotenuse and the corresponding side of another right-angled triangle, the two triangles are congruent.AAS(Angle-Angle-Side)- Two triangles are said to be congruent by AAS condition if their two angles and 1 side are equal.ASA(Angle-Side-Angle)- Two triangles are said to be congruent by ASA condition if their two angles and 1 side are equal.SAS(Side-Angle-Side)- Two triangles are said to be congruent by SAS condition if their two sides and 1 angle are equal.SSS (Side-Side-Side) – Two triangles are said to be congruent by SSS condition if all three sides are equal.If there are two triangles A and B then if they fulfil any of the below mentioned conditions then they are said to be congruent and they are mentioned like below: So, we can say both triangles ABC and PQR are congruent.
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