Question

Two ordered pairs are shown on the grid.
y
50
40
30
-50
-40
-30
-20
20
20
20
10-
10
-10
이
10
10
20
20
10
10
A
20
30
40
40
50
50
30
40
50
3530
00
60
B
What is the distance between points A and B? Enter the answer in the box.