Answer:
D)
Step-by-step explanation:
Use Pythagorean theorem,
Hypotenuse² = 16² + 8²
= 256 + 64
= 320
hypotenuse = √320 = √2*2*2*2*2*2*5 = 2*2*2√5 = 8√5
Csc Ф = Hypotenuse/opposite side
[tex]= \frac{8\sqrt{5}}{8}\\\\=\sqrt{5}[/tex]
