How to Solve Square and Square Roots Problems: Class 8 Maths Revision Notes

If you're a Class 8 student looking for helpful resources to improve your understanding and score good marks in the topic of square and square roots, you've come to the right place! Our comprehensive notes cover all the key concepts and formulas related to this topic, and our collection of extra questions will help you practice your problem-solving skills. To further aid your learning, we've also created a helpful mind map to visualize the connections between different concepts. Our resources are designed to be easy to understand and will equip you with the knowledge and skills needed to excel in this topic. So whether you're struggling with the basics or looking to take your knowledge to the next level, our resources are here to help you succeed.

square and square roots class 8 extra questions with answers asked by students (FAQ)

Question 1: Find the square of 15.

Solution: The square of 15 is 225, as 15 x 15 = 225.

Question 2: Find the square root of 196.

Solution: The square root of 196 is 14, as 14 x 14 = 196.

Question 3: If the area of a square is 64 sq. units, what is the length of each side of the square?

Solution: The length of each side of the square is 8 units, as 8 x 8 = 64.

Question 4: Simplify the expression √(16 x 25).

Solution: √(16 x 25) = √400 = 20.

Question 5: If the square of a number is 169, what is the number?

Solution: The number is 13, as 13 x 13 = 169.

Question 6: If the perimeter of a square is 40 cm, what is the length of each side of the square?

Solution: The length of each side of the square is 10 cm, as 4 x 10 = 40.

Question 7: Find the square root of 2 correct to 2 decimal places.

Solution: Using a calculator, we get the square root of 2 to be 1.41 (rounded to 2 decimal places).

Question 8: If the diagonal of a square is 10 cm, what is the length of each side of the square?

Solution: The length of each side of the square is 7.07 cm, as 7.07 x 7.07 = 50 (approx. value of 10^2).