If the number of sides increases does it mean the whole shape increases too?

How do i solve using pythagorean theorem?

The human resources manager at a company records the length, in hours, of one shift at work, x. he creates the probability distribution below. what is the probability that a worker chosen at random works at least 8 hours? probability distribution px(x) 6 hours 7 hours 8 hours 9 hours 10 hours 0.62 0.78 пол

Someone me what is the area of this figure? 18m 18m 8m 16m