Add 65+57 and subtract it from 180 then you get the third angle
6/10 is the answer but if you want it simplified the the answer would be 3/5.
Answer:
A
Step-by-step explanation:
if its wrong sorry :( :(
Answer:
A(r)=15-3r
Step-by-step explanation:
switch the sign of +3r to make it -3r
