Teaching DSSSB TGT Mock Test 2025 Quantitative Aptitude Geometry Triangles, Congruence and Similarity
Which of the following is NOT NECESSARILY true for congruent triangles?
1
If the three sides of one triangle are equal to the corresponding three sides of another triangle, then the two triangles are congruent.
2
If two angles and the included side of one triangle are equal to two angles and the included side of another triangle, then the two triangles are congruent.
3
If any two sides and the angle included between the sides of one triangle are equal to the corresponding two sides and the angle included between those two sides of the second triangle, then the two triangles are congruent.
4
If two sides and an angle of one triangle are equal to two sides and an angle of the other triangle, then the two triangles are congruent.