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.
• To Download this script, click:
Area and Perimeter Calculator.
Daily Test with Code Example
HTML
CSS
JavaScript
PHP-MySQL
Which tag is used in <table> to create table header cell?
<thead> <th> <td><table><tr>
<th>Title 1</th>
<th>Title 2</th>
</tr></table>
Which CSS property sets the distance between lines?
line-height word-spacing margin.some_class {
line-height: 150%;
}Which function opens a new browser window.
alert() confirm() open()document.getElementById("id_button").onclick = function(){
window.open("http://coursesweb.net/");
}Indicate the PHP function that returns an array with names of the files and folders inside a directory.
mkdir() scandir() readdir()$ar_dir = scandir("dir_name");
var_export($ar_dir);