December 11, 2023

## Find the area of a triangle two sides of which are 18cm and 10cm and the perimeter is 42cm

Class 9  Exercise 12.1  Question 4 find the area of a triangle two sides of which are 18cm and 10cm and the perimeter is  42cm .  Solution:  Let and be the sides of the triangle  ABC. Here we have perimeter of the triangle    , and . First we will find …

## Simplification tricks and Questions for All Competitive Exams

Simplification  questions are  the most frequently asked questions in quantitative aptitude section for various Government exams. Candidates those who are preparing for various competitive exams must have to know the simple tricks to solve the simplification questions. What is simplification A combination of numbers connected by one or more of …

## How to Find Square Root of a Number| Finding Square Root through Prime Factorisation and Division method

What are   square roots ? The process of multiplying a number by itself is called squaring.  Finding the square root  of a number is the inverse operation of squaring  that number.  For example the square of   3, 5 and 10 is 9, 25,  100 respectively. Number Square number 3 3×3=9 …

## How to find Square root of a complex number

How to find Square root of a complex number A number of the form   where and is called a complex number where is called as real part and is called imaginary part of complex number. To find the square root of a complex number, we will assume that . …

## Trigonometric values| Trigonometric ratio table

Trigonometric values  of different ratios are very important for the study  of relationships between lengths and angles of triangles.  The trigonometric values of   are  commonly used to solve many problems related to triangles. Trigonometry formulas: Trigonometric ratios of some specific angles not defined not defined 2 2 not defined not …

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