GED Math Test Formula: Use this guide to focus on applying, rather than memorizing, formulas and symbols for GED math test questions.
Area of a
- Square
Area=Side2
- Rectangle
Area= length × width
- Parallelogram
Area = base
×
height - Triangle
Area = ½
×
base×
height - Trapezoid
Area =
½ ×
(base1 + base2)×
height - Circle
Area=
π
× radius2, π
approximately equal to 3.14
Perimeter of a:
- Square
Perimeter= 4
× side
- Rectangle
Perimeter= 2 × length + 2 × width
- Triangle
Perimeter= Side1 + Side2
+ Side3
- CIRCUMFERENCE of a circle
Circumference= π × diameter
Volume of a
- Cube
Volume=edge3
- Rectangular solid
Volume= length x width x height
- Square pyramid
Volume= 1/3 x (based ege)2
x height
- Cylinder
Volume= π × radius2 x height
- Cone
Volume= 1/3 × π × radius2 x height