Question

Help ................. sorry for the blurryness

Answer 1

I hope this helps you




1=3


2=4


1+4=180 degree


1+2=180 degree


2+3=180 degree


3+4=180 degree


7x+7=112


7x=105


x=15


1+4=180


1+112=180


1=68



4y=1


4y=68


y=17