To find the average of even numbers till a given even number, we will add all the even number till the given number and t count the number of even numbers. Then divide the sum by the number of even numbers.ExampleAverage of even numbers till 10 is 6 i.e.2 + ... Read More

The circle inscribed in a regular hexagon has 6 points touching the six sides of the regular hexagon.To find the area of inscribed circle we need to find the radius first. For the regular hexagon the radius is found using the formula, a(√3)/2.Now area of the circle inscribed is 3πa*a/4SampleSide ... Read More

A circular sector also known as circle sector / sector of a circle is the portion of the circle that is inscribed by between 2 radii. This area is enclosed between two radii and an arc. To find the area inscribed we need to find the angle that is between ... Read More

The area of a circle inscribed inside an equilateral triangle is found using the mathematical formula πa2/12.Lets see how this formula is derived, Formula to find the radius of the inscribed circle = area of the triangle / semi-perimeter of triangle.Area of triangle of side a = (√3)a2/4Semi-perimeter of triangle ... Read More

The area of circumcircle of a right-angle triangle when the hypotenuse(H) of the triangle is given is found using the formula πH2/4.This formula is derived using the fact that the circumcircle touches all the corners of the triangle, in this case the maximum length between two points in the hypotheses ... Read More

The HTML DOM input button type property returns the type of the input button i.e. whether it is of “button”, “submit” or “reset” type.SyntaxFollowing is the syntax −object.typeExampleLet us see an example of input button type property − Live Demo HTML DOM type Property    body{     ... Read More

The HTML DOM value property returns and modify the content of the value attribute of input button.SyntaxFollowing is the syntax −1. Returning valueobject.value2. Modifying valueobject.value=”text”ExampleLet us see an example of value property Live Demo HTML DOM value Property    body{       text-align:center    }    .btn{ ... Read More

You can use subquery with aggregate COUNT(*) to get the total row count. Let us first create a table −mysql> create table DemoTable (    StudentId int NOT NULL AUTO_INCREMENT PRIMARY KEY,    StudentFirstName varchar(20),    StudentAge int ); Query OK, 0 rows affected (0.48 sec)Insert some records in the table ... Read More

The fromCollection() method is used in JavaTuples to create Septet Tuple from List collection.Let us first see what we need to work with JavaTuples. To work with Septet class in JavaTuples, you need to import the following package −import org.javatuples.Septet;Note − Steps to download and run JavaTuples program. If you ... Read More

Any number which can be expressed as a quotient or fraction in the form of p/q is called a rational number. The fractions module of Python library provides functionality for rational number arithmetic.This module defines a Fraction class. Its object can be constituted in various ways as below −Fraction(num, denom)The ... Read More