# An army officer wishes to arrange 4770 soldiers in the form of a square. After arranging he finds that 9 soldiers are left out. Find the number of soldiers in each row.

A square is a closed two-dimensional figure with four sides and four corners. The length of all four sides of a square is equal.

## Answer: 69 soldiers are there in each row.

The area of a square is the measure of the space or surface occupied by it. It is equal to the square of its length.

** Area of a square = Side × Side**

**Explanation:**

Given: 9 soldiers are left out from a group of 4770 soldiers

Thus, the number of soldiers arranged in form of a square = 4770 - 9 = 4761

Therefore the area of the square = 4761 units^{2}

Now, the number of soldiers in each row is equal to the side of a square.

Side × Side = 4761

Side^{2} = 4761

Side = √ 4761

Side = 69

### Therefore, 69 soldiers are there in each row.

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