An oak tree is planted when it is 250 centimeters tall. what is this height in meters?

Which of the following best describes the delian problem?

Aquadrilateral has exactly one pair of parallel sides. which name best describes the figure?

When solving this problem: 3025/5.5 = a/90.75 you get 49912.5 which would be the length of one of the sides of a square when the area is only 90.75 inches. is that answer correct, why, and how is it possible?