Answer:
28 x 16 = 448
x goes first never y
Step-by-step explanation:
Answer:
51+x-5+y-6=180
x+y=180-51+5+6
X+y=140
Answer x=77 y=63
(those 2 lines with the arrows are perpendicular so their angles are the same 72° and (x-5)=77-5= 72°)

Here we go ~
According to given figure,


