Hello I believe your answer is going to be 2 I assumed the b's were x's
I think i am doing this right i am not sure. First you need to add up all the sides (100+38+22+15) it would equal 175 then you need to subtract it from 360 and get the missing value (x) then the answer would be 185
Step-by-step explanation:
4/5 is the simplified fraction for 48/60.