A line is one dimensional straight indefinite path on plane that has no width. A plane is a two-dimensional flat surface that extends upto infinity. So, the undefined geometric term is described as a location on a coordinate plane that is designated by an ordered pair, (x, y) is A point.
Square root of 100 = 10 cm. Next, 10*2 = 20^2 = 400 ft. Next, convert cm into ft, which would make 100 into about 3.3 ft. The ratio would then be about 3/400. Does that help?