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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 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 …
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 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 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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