Question

show each step please? Ill Fan and medal!

Answer 1

in triangle ACB and triangle ACD

BC = CD (SIDE)

AC = AC (common side)
angles are not given in sufficient data

Answer 2

Is that how i would right it? Sorry im not to intelligent with this stuff @dayakar

Answer 3

Write*

Answer 4

yep @llamasaremine you should right it that way as he mentioned BC=CD(side) and AC=AC the common side in both triangles and <ACD=<ACB which is both equals 90 degrees so 2 sides are equal and 1 angle which makes it SAS :)