![]() ![]() ![]() Rotate 90 degrees Rotating a polygon around the origin. So from 0 degrees you take (x, y) and make them negative (-x, -y) and then you've made a 180 degree rotation. Scroll down the page for more examples and solutions on rotation about the origin in the coordinate plane. Rotating by 180 degrees: If you have a point on (2, 1) and rotate it by 180 degrees, it will end up at (-2, -1) When you rotate by 180 degrees, you take your original x and y, and make them negative. Rules of Rotation 90 q CW or 270 CCW (x,y) (y, x)o 180 CW or 180 CCW (x,y) ( x, y)o. The following figures show rotation of 90°, 180°, and 270° about the origin and the relationships between the points in the source and the image. Trending Questions A triangle with 90 degree angle is a? Volume of a cube 2cm by 2cm by 2cm? What does the shortest distance between them have to do with the triangle Inequality Conjecture? A triangle with angles that measure 32 79 and 69? Why is a three dimensional figure with curved surface not a polyhedron? What is a 500 sided polygon called? If the areas of two similar decagons are 625 sq ft and 100 sq ft what is the ratio of the perimeters of the decagons? A triangle with no two equal sides? If the area of ABCDEF is 841. Geometry Notes: Rotations Rotate: Clockwise (CW): Counterclockwise (CCW): There are degrees in a circle. ![]()
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