The script presented in this page is a tool to calculate surface area, perimeter and other dimensions (radius, diagonal, height) of various 2D geometrical shapes: circle, ellipse, triangle, hexagon, parallelogram, rectangle, rhombus, square, trapezoid.
This calculator shows also the mathematical formulas used to calculate the area, perimeter, and the other dimensions.

Calculate Area and Perimeter

JavaScript script to calculate surface area and perimeter.
Find area and perimeter of various 2d geometrical shapes.

Select an object

• To Download this script, click: Area and Perimeter Calculator.

Daily Test with Code Example

Which type of <input> creates a color well control for selecting a color value?
type="text" type="color" type="date"
<input type="color" name="get_color" />
Which CSS method rotates the HTML element at a given degree?
scale() translate() rotate()
#some_id:hover {
  transform: rotate(60deg);
  -ms-transform: rotate(60deg);    /* IE 9 */
  -moz-transform: rotate(60deg);   /* Firefox */
Click on the function that returns the number with the highest value.
pow() min() max()
var maxn = Math.max(8, 4, 88, 56);
alert(maxn);      // 88
Which function prevent the same file from being included more than once in a page?
include() include_once() require()
Area and Perimeter Calculator for 2D shapes

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