Respuesta :

Answer:

  • C. 16.9

Step-by-step explanation:

Use sine:

  • x/ 18 = sin 70
  • x = 18 sin 70
  • x = 16.9

[tex]{ \dashrightarrow{ \sf{ \green{ \frac{x}{18} = \sin(70) }}}} \\ \\ \\ { \dashrightarrow{ \sf{ \green{x = 18 \sin(70) }}}} \\ \\ \\ { \dashrightarrow{ \sf{ \underline{ \green{x = 18 \times 0.77}}}}} \\ \\ \\ { \dashrightarrow{ \sf { \green{x = 18 \times 0.939}}}} \\ \\ \\ { \dashrightarrow{ \sf{ \green{x = 16.9 }}}}[/tex]