Question

here is your question in the attachment

plz dont spam only for points​

Answer 1

here is your answer in the attachment given above

Answer 2

equation of OB is

----------------------------------------------y - 0 =1- 0 ( x - 0 )

-----

1-0

= y = ×

and equation of AC is

Y - 0 = 1 - 0 (x - 1)

-------

1 - 0

=) y = -× + 1

=) × + y - 1= 0