Respuesta :

carlosego
For this case we have the following trigonometric relationship:
 tan (theta) = C.O / C.A
 Where,
 theta: angle
 C.O: opposite leg
 C.A: adjoining catheto
 Substituting values:
 tan (25) = x / 5
 Clearing x:
 x = 5 * tan (25)
 x = 2.33
 Answer:
 x = 2.3