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Squares & Square Roots - 5 Video Lecture - Class 8

FAQs on Squares & Square Roots - 5 Video Lecture - Class 8

1. What is a square number?

A square number is a number that is obtained by multiplying an integer by itself. For example, 4 is a square number because it can be expressed as 2 multiplied by 2.

2. What is a square root?

A square root is the opposite of finding a square number. It is a value that, when multiplied by itself, gives the original number. For example, the square root of 9 is 3 because 3 multiplied by 3 is 9.

3. How can square roots be calculated?

Square roots can be calculated using various methods, such as prime factorization, long division, or by using a scientific calculator. The most common method is using a calculator, where you simply input the number and find the square root function to get the result.

4. What is the relationship between squares and square roots?

The relationship between squares and square roots is that they are inversely related. If a number is a square, then its square root can be found. Similarly, if a number is a square root, then its square can be calculated. They are essentially two sides of the same coin.

5. How are squares and square roots used in real life?

Squares and square roots have various applications in real life. They are used in fields such as geometry, physics, engineering, and computer science. For example, in geometry, square roots are used to calculate the lengths of sides in right-angled triangles. In physics, squares and square roots are used in calculations involving energy, velocity, and acceleration.

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Sep 23, 2025 Last updated

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