If you wanted to prove the triangles are congruent by shortcut SAS what additional information would you need

if you use photomath right away it will give you the answer not like this app that you have to wait for people.

you didn't post any answer choices, so its not 100% clear what your teacher is looking for

however, log(15/7) is equivalent to log(15) - log(7)

i'm using the rule log(x/y) = log(x) - log(y)