9514 1404 393
Answer:
RT = 6
Explanation:
Corresponding sides are proportional in similar triangles:
RT/AC = RS/AB . . . write the proportion with the unknown in the numerator
RT/9 = 4/6 . . . . . . use the given values
RT = 9(4/6) . . . . . . multiply by the unwanted denominator
RT = 6