RST is a right triangle with RS = 12,
RT = 20, and ST = 16. What is sin R?

[tex]\\ \sf\longmapsto sin\Theta=\dfrac{Perpendicular}{Hypotenuse}[/tex]
[tex]\\ \sf\longmapsto sinR=\dfrac{ST}{RT}[/tex]
[tex]\\ \sf\longmapsto sinR=\dfrac{16}{20}[/tex]
Option B