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When the length of the line drawn is 2 mm, and the taken representative fraction is 1:2. Find the actual length of the line?

When the length of the line drawn is 2 mm, and the taken representative fraction is 1:2. Find the actual length of the line? Correct Answer 4 mm

Representative fraction is the ratio of the length of the drawings to actual length, hence actual length = (length of the drawing)/R.F. Here R.F is 1:2 mm and length of the drawing is 2 mm, therefore the actual length of the line is 2*2 mm = 4 mm.

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