Q:

Which is the instrument used to draw parallel lines fast?

A) Set square B) Ruler scale
C) Protractor D) Roll-n-draw
 
Answer & Explanation Answer: D) Roll-n-draw

Explanation: Using roll-n-draw scales, we can draw parallel lines very accurately and fast. They are used to draw parallel lines in the horizontal direction, vertical direction and also in inclined planes. The general dimension of the roll-n-draw scale is 30 cm and 15 cm. The scale is rolled on the paper to achieve parallel lines.

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