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Properties of Squares

(i) . It is a quadrilatral with all sides equal

(ii) . Each of the four angle of a square is a right angle .

(iii) . Diagonals are equal and bisect each other at right angles .

(iv) . If the Diagonals of a quadrilatral are equal and bisect each other at right angle , then it is a square .

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Formulas of Square

(1) . Perimeter = 4 x sides

(2) . Area = (side)²

(3). Diagonals = side x √2

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(4) . Area =

1/2

x Diagonals²

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Properties of Rectangle

(i) .Opposite sides are equal and parallel

(ii) . Each of the four angles of a Rectangle is a right angle .

(iii) . The Diagonals of a Rectangle are of equal length .

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Formula of Rectangle

1 . Perimeter = 2(l + b)

2 . Area = length x breadth

3 . Diagonals = √ (length² + breadth²)