Answer:
Your answer would be c 18=2x
Step-by-step explanation:
Because you done did 3x=9 which you now have to do the other end of the problem.
The answer to that would be D!
Tan(40)= x/20 => x= tan(40).20= 16,78
Ok done. Thank to me:>
Step-by-step explanation:
crossmultiply and divide both sides by the co efficient of x