Answer:
The last choice is correct
Step-by-step explanation:
Trigonometric Ratios
The ratios of the sides of a right triangle are called trigonometric ratios.
The longest side of the triangle is called the hypotenuse and the other two sides are the legs.
The sine ratio is defined as:
[tex]\displaystyle \sin\theta=\frac{\text{opposite leg}}{\text{hypotenuse}}[/tex]
It's required to calculate the sine of angle C. The opposite leg to angle C is 16 and the hypotenuse is 20, thus:
[tex]\displaystyle \sin C=\frac{16}{20}[/tex]
The last choice is correct
