Calculating the Area of a Square

In geometry, a square is a regular quadrilateral. This means that it has four equal sides and four equal angles (90-degree angles, or right angles). It can also be defined as a rectangle in which two adjacent sides have equal length. A square is quadrilateral (Quadrilateral just means "four sides" quad means four, lateral means side).with : Four equal sides and four equal angles Opposite side that are parallel Two diagonal...

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Area of A Rectangle

A rectangle is a parallelogram with 4 right angles.  Now, since a rectangle is a parallelogram, its opposite sides must be congruent and it must satisfy all other properties of parallelograms . 1.  4 Right Angles, In a rectangle all angles are 90° 2. The diagonals of a rectangle are congruent (congruent means that objects have       the same shape. It does not mean that they are 'equal', exactly). To find a...

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Square Root of a Number

Square Root of a Number. Before understanding what the square root of a number is, it is important to understand the meaning of root of a number. The root of a number is an equal factor of the number. For example, find the root of 25 First, we need to factor 25 : 25 = 1 × 25 25 = 5 × 5 The root of 25 is 5 because 5 is the equal factor for 25 We call 5 the square root of 25 The symbol : √ How to find the square root : 1. Trial...

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CSS List Style with Image

With CSS you can set the list of different markers in both the ordered list (indicated using numbers or letters) or an unordered list (marked using a bullet) and set the image as a marker list. We know it in the HTML tag to set the display <ol> "ordered list", and to set the display <ul> "unordered list". CSS List Style with Image, to arrange for an image used as a list. The value used is the location URL of the image . CSS code : <style...

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