Answer:
3 0 -7 4
Step-by-step explanation:
you figure this out by looking at where you know the x or y value is and you find the line at that coordinate and then you look at where the other value is (x or y)
The answer is 90 + 45 because BOC is a right angled triangle where angle BOC is 90 and angle BOK is 45 because 90 ÷2. A OK Is a right angled triangle so angle AOB is 90 as well so to find angle AOK we plus 90 and 45 which is 135 degrees.