Area is a funny thing. What is it really? Well the idea is this: {{CMD_13}} Define something as having a ``unit'' area, and see how many times it ``covers'' something. {{CMD_14}} The most obvious thing to use for our ``unit'' area is a unit square. From this we can quickly move on to find the area of any rectangle as {{MATH_15}} {{CMD_16}} Sometimes area is described as ``how much paint will cover a surface.'' Is this accurate? What do you think? {{CMD_17}} {{CMD_18}} {{CMD_19}} {{COMMENT_20}}