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| Introduction |
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| We use alphabets like x, y, z etc., to denote variables. For example the length of a rectangle is denoted by 'l'. It takes different values in different rectangles. A formula is a relation between different variables formed using mathematical symbols. Any given condition can be translated into a formula using variables and mathematical symbols. Volume of a cuboid is the product of length, breadth and height. This is written as V = l x b x h. We say that this is the formula for the volume of the cuboid. |
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