Respuesta :

Answer:

7

Step-by-step explanation:

R is mid point of IJ and S is midpoint of KJ.

So RS is half of IK.

2x-5=1/2(x+8)

4x-10=x+8

4x-x=8+10

3x=18

x=18/3=6

SR=2x-5=2(6)-5=12-5=7

Otras preguntas