A cent is equal to one hundredth of an acre, or 435.6 square feet. Therefore, ten cents is equal to 10 x 435.6 = 4356 square feet.
A Mekko chart (sometimes also called marimekko chart) is a two-dimensional stacked chart. In addition to the varying segment heights of a regular stacked chart, a Mekko chart also has varying column widths. Column widths are scaled such that the total width matches the desired chart width.
The smallest symbols that can be reliably identified is considered the person's visual acuity. The Snellen chart is the most widely used. Alternative types of eye charts include the logMAR chart, Landolt C, E chart, Lea test, GolovinâSivtsev table, the Rosenbaum chart, and the Jaeger chart.