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Perpendiculars can’t be drawn using _____________

(a) T- Square

(b) Set-squares

(c) Pro- circle

(d) Protractor

The question was asked in final exam.

My question is from Construction of Parallel & Perpendicular Lines topic in section Geometrical Construction of Engineering Drawing

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The correct option is (c) Pro- circle

Explanation: T-square is meant for drawing a straight line and also perpendiculars. And also using set-squares we can draw perpendiculars. Protractor is used to measure angles and also we can use to draw perpendiculars. But pro-circle consists of circles of different diameters.

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