Find the value of sin^-1(tanpi/4)

To prove that def ~ gfh by the sss similarity theorem using the information provided in the diagram, it would be enough additional information to know that

Using the side-splitter theorem, daniel wrote a proportion for the segment formed by luke segment de. what is ec?

Ray ce is the angle bisector of zacd, which statement about the figure must be true? mzecd-mzecb mzace « 4mzacd zace - zdcb zecd zacd save and exit