PDF chapter test TRY NOW

For each pair of triangles state the criterion that can be used to determine the congruency?
 
(i) YCIND_231019_5653_B_21.png
 
(ii) YCIND_231019_5653_B_22.png
 
(iii) YCIND_231019_5653_B_23.png
 
(iv) YCIND_231019_5653_B_24.png
 
(v) YCIND_231019_5653_B_25.png
 
(vi) YCIND_231019_5653_B_26.png