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# Find the length of a rectangle if its breadth is 20.5 metre and perimeter 102 m.

**Given :**

Breadth of Rectangle = 20.5 m

Perimeter of Rectangle = 102 m

**To do:**

Length of Rectangle = ?

**Solution :**

Perimeter of Rectangle = 2 (length $+$ breadth)

Substitute the given values in the above equation,

102 = 2 (length $+$ 20.5)

$\frac{102}{2}=$length$+$20.5

56 = length $+$ 20.5

Rewrite,

Length $+$ 20.5 = 56

Length = $56 - 20.5$

Length = 35.5 m

**The length of the Rectangle is 35.5 m.**

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