Length width and height. As an example to find the area of a triangle with a base b measuring 2 cm and a height h of 9 cm multiply ½ by 2 and 9 to get an area of 9 cm squared. Perimeter of a square.
For dispersion or variation of set of values try Standard Diviation Calculator.
Area 1 2 b h. Width Perimeter of a triangle. Arc Length Formula Radians is the same as the method used in degrees version but in the degrees the 2p360 converts the degrees to radians. This can be expressed in the following equation where is the length and is the width of the rectangle.