Respuesta :

Step-by-step explanation:

<T+90+57= 180

<T + 147= 180

<T = 33°

RS

tan 57 = 15/x

x = 15/(tan 57)

x = 9.7 for RS

RT

sin 57= 15/x

x = 15/(sin 57)

x = 17.9 for RT

RELAXING NOICE
Relax