**Points :**scales: representative fraction, Scales & Curves Representative Fraction is define while ration of length of an component of object in the drawing to the corresponding actual length of corresponding element of the object itself. Exemplar 1: If 1 cm lengths of drawing signify 5 m length of object then in engineering scale it is writing as 1cm = 5 m and in graphical scale it is denote by Exemplar 2: If a 5 cm extended line in drawing represents 3 km length of a road then in engineering scale it is write as 1 cm = 600 m and in graphical scale it is denote as

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### Scales: Representative Fraction

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