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Chapter 3: Squares and Square Roots Exercise – 3.9

Question: 1

Using square root table, find the square roots of 7

Solution:

From the table, we directly find that square root of 7 is 2.646.

 

Question: 2

Using square root table, find the square roots of 15

Solution:

 

Question: 3

Using square root table, find the square roots of 74

Solution:

 

Question: 4

Using square root table, find the square roots of 82

Solution:

 

Question: 5

Using square root table, find the square roots of 198

Solution:

 

Question: 6

Using square root table, find the square roots of 540

Solution:

 

Question: 7

Using square root table, find the square roots of 8700

Solution:

 

Question: 8

Using square root table, find the square roots of 3509

Solution:

 

Question: 9

Using square root table, find the square roots of 6929

Solution:

 

Question: 10

Using square root table, find the square roots of 25725

Solution:

 

Question: 11

Using square root table, find the square roots of 1312

Solution:

 

Question: 12

Using square root table, find the square roots of 4192

Solution:

 

Question: 13

Using square root table, find the square roots of 4955

Solution:

 

Question: 14

Using square root table, find the square roots of 99/144

Solution:

 

Question: 15

Using square root table, find the square roots of 57/100

Solution:

 

Question: 16

Using square root table, find the square roots of 101/169

Solution:

 

Question: 17

Using square root table, find the square roots of 13.21

Solution:

 

Question: 18

Using square root table, find the square roots of 21.97

Solution:

 

Question: 19

Using square root table, find the square roots of 1110

Solution:

 

Question: 20

Using square root table, find the square roots of 11.11

Solution:

 

Question: 21

The area of a square field is 325 m2. Find the appropriate length of one side of the field.

Solution:

The length of one side of the square field will be the square root of 325.

 

Question: 22

Find the length of a side of a square, whose area is equal to the area of a rectangle with sides 240 m and 70 m.

Solution:


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