Estimate the value of the following square root to the nearest whole number: 440 - Mathematics

Estimate the value of the following square root to the nearest whole number:

`sqrt(440)`

Sum

`sqrt(440)`

we have 20² = 400

21² = 441

∴ `sqrt(440)` ≃ 21

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Chapter 1: Numbers - Exercise 1.4 [Page 35]

Chapter 1 Numbers
Exercise 1.4 | Q 7. (i) | Page 35

Using square root table, find the square root
7

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15

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74

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82

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198

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13.21

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110

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11.11

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

Estimate the value of the following square root to the nearest whole number:

`sqrt(800)`