Answer:
Active voice means that a sentence has a subject that acts upon its verb. Passive voice means that a subject is a recipient of a verb’s action.
<span> Shields of Arthur's knight were hanging on a tree in Turquine's land because on the tree "hangeth a basin of copper and latten, and if thou strike upon that basin thou shalt hear tidings.”</span>
With the information given, I would say it is 0.8.