Given:
The right triangle with one angle 53 degree and hypotenuse is 15 units.
Using the sin ratio,
[tex]\begin{gathered} \sin \theta=\frac{Opposite\text{ side}}{\text{hypotenuse}} \\ \sin 53^{\circ}=\frac{x}{15} \\ 0.7986=\frac{x}{15} \\ x=11.97\approx12 \end{gathered}[/tex]
Answer: option C) 12.
