9th mathematics exercise question with answer

Square Root Exercise 1.1.4 – Square root – Class IX

The Square Root Exercise 1.1.4 belongs to the unit Square Root Square Root Exercise 1.1.4 Round off the following numbers to 3 decimal places. 1.5678 ≈ 1.568 2.84671 ≈ 2.847 14.56789 ≈ 14.568 12.987564 ≈ 12.988 3.3333567 ≈ 3.333 Find the square root of the following numbers correct to 3 decimal places. (i) 12 Solution: √(12)… Continue reading Square Root Exercise 1.1.4 – Square root – Class IX

9th mathematics exercise question with answer

Square Root Exercise 1.1.3 – Square Root – Class IX

The Square Root Exercise 1.1.3 belongs to the chapter Square Root. Square Root Exercise 1.1.3 How many digits are there after the decimal points in the following? (1) (3.16)2 Solution: (3.16)2 = 9.9856 Hence, there are 4 digits after the decimal points. (1.234)2 Solution: (1.234)2 = 1.522756 Hence, there are 6 digits after the decimal points.… Continue reading Square Root Exercise 1.1.3 – Square Root – Class IX

9th mathematics exercise question with answer

Square Root Exercise 1.1.2 – Square Root – Class IX

The Square Root Exercise 1.1.2 belongs to the chapter Square Root. Square Root Exercise 1.1.2 Find the square root of the following numbers by division method: 1. 5329 Solution: Therefore √(5329) = 73 18769 Solution: Therefore √(18769) = 137 28224 Solution: Therefore √(28224) = 168 186624 Solution: Therefore √(186624) = 432 Find the least number… Continue reading Square Root Exercise 1.1.2 – Square Root – Class IX

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Square Root Exercise 1.2.1 – Square Root – Class IX

The square root exercise 1.2.1 is related to the chapter - Square Root - Class IX - Karnataka State Syllabus mathematics Notes. Square Root Exercise 1.2.1 Find the square root of the following numbers by the factorization method (i) 82944 Solution: 82944 = 210  x 34 = (25)2   x (32)2 √(82944) = √((25)2   x (32)2 ) =… Continue reading Square Root Exercise 1.2.1 – Square Root – Class IX

9th mathematics exercise question with answer

Square Root – Class IX – Full Chapter

Perfect square number is an integer which is the product of two equal integers. Thus, 81 = 9 x 9 = (-9) x (-9) is a square number. Let us take another example, 144 = 12 x 12 = (-12) x (-12) is also a square number. We know that, there  are  two possibilities for a… Continue reading Square Root – Class IX – Full Chapter