This episode of GED Connection focuses on formulas. Formulas are writt en in the language of algebra using letters to stand for numbers. Thes e letters are called variables. A list of formulas will be supplied to the GED test taker but it is important to understand what the formula s mean in order to put them to use. The formulas covered in this progr am are: the formula for the area of a rectangle, how to calculate dist ance, circumference of a circle, area of a circle, volume of an object , and areas of two separate shapes or odd shapes. An architect shows t he viewer how she uses algebraic formulas to calculate the volume of a basement in an ancient building; and a construction manager goes thro ugh a series of formulas as he calculates the volume of a cylindrical hole and the cost of the concrete to fill it.