Respuesta :

Cathenna
r² = 12² + 9²

r² = 144 + 81

r² = 225

r = √225

r = 15

For Θ,

Base = 9
Perpendicular = 12
Hypotenous = 15


cscΘ = Hypotenous/Perpendicular

= 15/12

Ans:- Option c)15/12

Hope this helps!