The length is 10.
Since the two points share the same y-coordinate, the segment rt is horizontal.
This means that the length of the side is simply the difference (in absolute value) between the x coordinates of the two points.
So, we have
[tex] \overline{RT} = |-7-3| = |-10| = 10 [/tex]
Answer is ten aka c I know this is the anwser cause I took the test and got a A so hopes this helps good luck on ur test but this answer is only for this question with this numbers other numbers lead to different answers and different questions choices so just know that when looking on brainly good luck have a great day
