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Squares & Square Roots- 3 Video Lecture | Mathematics (Maths) Class 8

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FAQs on Squares & Square Roots- 3 Video Lecture - Mathematics (Maths) Class 8

1. What is a square in mathematics?
Ans. In mathematics, a square refers to a quadrilateral with all four sides of equal length and all four angles of right angles (90 degrees).
2. What is a square root?
Ans. Square root is a mathematical operation that finds a value which, when multiplied by itself, gives the original number. For example, the square root of 25 is 5, as 5 multiplied by 5 equals 25.
3. How can I find the square root of a number without a calculator?
Ans. To find the square root of a number without a calculator, we can use a method called "long division." By repeatedly dividing and averaging, we can approximate the square root. This method is known as the "guess and check" method.
4. What are some real-life applications of squares and square roots?
Ans. Squares and square roots have various real-life applications. For example, in construction, square roots are used to calculate diagonal measurements, ensuring the accuracy of structures. In finance, square roots are used in risk analysis and portfolio management. In computer graphics, squares are used to represent pixels on a screen.
5. What is the relationship between squares and square roots?
Ans. The square root of a number gives the value that, when multiplied by itself, equals the original number. In other words, the square root "undoes" the squaring operation. For example, if the square of a number is 25, then the square root of 25 is 5.
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