Respuesta :

Answer:

⬇️

Step-by-step explanation:

UV = 1/2 TS

UV = 1/2 42

UV = 21

RS = 2* UW

RS = 2*23

RS = 46

RT = 2 * VW

RT = 2*19

RT = 38

Perimeter of RST = RT + TS + RS

Perimeter of RST = 38 + 42 + 46

Perimeter of RST = 128