Complete the proof by providing the missing reasons. given: cb bisects bd, de bisects ec, cb=de. prove dbc=ced. . cb=de, cb bisects bd and de bisects ec: given. cbd and dec are right angles : definition of perpendicular segments. cbd=dec: ? . cd=cd: ? . dbc=ced : ?

Base on your question were the are proofs that is given are this are: CB bisects BD, DE bisects EC, CB=DE. So answer your question you must understand first your given statements and realize that CBD and DEC are both right triangles because they are a perpendicular segment so i conclude that the answer should be CBD=DEC because they are both right angles