Triangle abc is shown below given abc prove all three angles of abc add up to 180 degrees the flow chart with missing reason proves the measures of the interior angles of abc total 180 degrees which reason can be used to fill in the numbered blank space

In the figure below, segment ac is congruent to segment ab: which statement is used to prove that angle abd is congruent to angle acd? a.)triangle acd is similar to triangle abd. b.)triangle acd is congruent to triangle abd. c.)segment a.d. is congruent to segment ac. d.)segment a.d. is congruent to segment dc.