I'm not quite sure but I believe the answer to your question is 4 sides
Try this option (see the attachment), if it is possible check result in other sources.
Answer:
y=60 due to adjacent angle
Answer:
y – 1 = y minus 1 equals StartFraction one-half EndFraction left-parenthesis x minus 5 right-parenthesis.(x –5)
Step-by-step explanation:
we know that
The equation of the line into point slope form is equal to

we have


substitute
