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Planes are formed when any three _________ points are joined.(a) non-collinear(b) collinear(c) concentric(d) eccentricI had been asked this question during an interview for a job.My question is from Projections of Planes in division Orthographic Projection, Projections of Lines, Planes and Solids of Civil Engineering Drawing

Answer»

Right answer is (a) non-collinear

The best explanation: A PLANE is as two dimensional SURFACE having length and breadth with negligible thickness. They are FORMED when any three non-collinear points are joined. Planes are bounded by straight/curved lines and may be either regular or an IRREGULAR. Regular plane surface are in which all the sides are equal. Irregular plane surface are in which the lengths of the sides are unequal.



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