The rule for a rotation by 180° about the origin is (x,y)→(−x,−y).Ģ. FAQs on 180 Degree Clockwise & Anticlockwise Rotation Given coordinate is A = (2,3) after rotating the point towards 180 degrees about the origin then the new position of the point is A’ = (-2, -3) as shown in the above graph. Put the point A (2, 3) on the graph paper and rotate it through 180° about the origin O. (iv) The new position of the point S (1, -3) will be S’ (-1, 3) (iii) The new position of the point R (-2, -6) will be R’ (2, 6) (ii) The new position of the point Q (-5, 8) will be Q’ (5, -8) (i) The new position of the point P (6, 9) will be P’ (-6, -9) By applying this rule, here you get the new position of the above points: The rule of 180-degree rotation is ‘when the point M (h, k) is rotating through 180°, about the origin in a Counterclockwise or clockwise direction, then it takes the new position of the point M’ (-h, -k)’. Worked-Out Problems on 180-Degree Rotation About the Originĭetermine the vertices taken on rotating the points given below through 180° about the origin.
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