Question

What is the length of this side​

Answer 1

Answer:

9

Step-by-step explanation (the suggested solution is not the shortest way):

1. formula is

$length=\sqrt{(x_b-x_a)^2+(y_b-y_a)^2};$

2. using the formula described above:

$length=\sqrt{(6+3)^2+(7-7)^2} =9$