Question

Question in image please help quickly, I'm on a time limit :D

Answer 1

Answer:

By distance formula ,

$AB = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}$

$AB = \sqrt{(-1-5)^2 + (6-3)^2}$

$AB = \sqrt{36 + 9}$

$AB = \sqrt{45}$

$AB = 6.708$(approx)

To give answer in 3 significant figures :

AB = 6.70