MATH FIGURE is a broad term that encompasses many different shapes and numbers. A polygon is a closed figure with at least three straight sides and angles, while a LOG is a mathematical expression of the power to which a base number must be raised in order to produce a given number. AREA is the measure of the surface of a two-dimensional shape, and a RECTANGLE is a four-sided polygon with four right angles. A RATIO is a comparison of two numbers or quantities, and a COSINE is a trigonometric function that is used to calculate the angle between two lines. Finally, a NUMERAL is a symbol or name that is used to represent a number.