Answer:
[tex]see\:below[/tex]
Step-by-step explanation:
[tex]Problem\:2\\\\the\: triangles\: are\: congruent\: by\:SSS\\\\Because\\\\CA\cong AB\\\\The \:sides\: are\: the \:same\\\\or\: you\: could\: say\\\\common\:side[/tex]
[tex]Problem\:4\\\\You\:can\:use\\\\RHS (Right \:angle- Hypotenuse-Side)[/tex]
