48 i know because i used a calculator
C your welcome have a nice day
Answer:
Option C
Step-by-step explanation:
Just took the quiz and it was right.
For this case we have to, by definition:

This means that the tangent of angle B will be equal to the leg opposite the angle on the leg adjacent to the same angle.
Then, clearing to have:

Rounding out the value of a we have:

Answer:
Option C