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4.2 Square

In a square all the sides are equal in length. Therefore, if length of one side is a, the sum

of all sides or the perimeter is P = 4a.

Figure 4.1

Area of a square = a2 or the square of any one side .

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4.1 Perimeter
4.2 Square
4.3 Rectangle
4.4 Parallelogram
4.5 Triangle
4.6 Trapezoids
4.7 Circles

Chapter 5

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