Figure b is a scaled copy of figure a. What is the scale from figure a to figure b

In the figure below, segment ac is congruent to segment ab: triangle abc with a segment joining vertex a to point d on side bc. side ab is congruent to side ac which statement is used to prove that angle abd is congruent to angle acd? segment ad bisects angle cab. triangle acd is similar to triangle abd. segment ad is congruent to segment ac. angle cab is congruent to angle cba.

For the equations below which statement is true ?

What is the relationship between all triangles that can be drawn given the same three angles