Braylon and asia are entering a cup stacking contest. both girls have the same strategy stack the cups at a constant rate so that they do not slow down at the end of the race. while practicing they keep track of their progress which is shown below

the answer is simply just 6n add the two together as they have an n

ca = ec

cpctc makes it so that corresponding parts of the triangle you proved to be equal are equal, the other options aren't part of the part of the triangles you proved to be equal.

could you provide figure.