Answer:
Find the coordinates of A and B.
Step-by-step explanation:
Coordinates of A = (-3, 1)
Coordinates of B = (-1, -1)
So you got
x1 = -3, x2 = -1
y1 = 1, y2 = -1
[tex]\sqrt{(-1-(-3))^{2}+(-1-1)^{2}}\\\sqrt{4+4} =\sqrt{8} =2\sqrt{2}[/tex]
Ans: [tex]2\sqrt{2}[/tex]=2×1.4 = 2.8
