Answer:
450
Step-by-step explanation:
you divide 90 by 20 and times in by 100
Answer:
Place the ruler such that the edge is against the object. Parallax is a distortion of view because humans see through two sources, not just one. the farther the object is away from the ruler, the more that parallax can affect the situation.
Step-by-step explanation:
Options 1 and 3 are the correct answers
