9.3 More Rotations Not Isometries Isometry.

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Presentation transcript:

9.3 More Rotations Not Isometries Isometry

Rotating about a Fixed Point Point O is the center of Regular Octagon ABCDEFGH. Name the image of each point or segment. 45⁰ rotation of H about O. 90⁰ rotation of D about O. 135⁰ rotation of CB about O. 180⁰ rotation of AH about O. 315⁰ rotation of A about O. 360⁰ rotation of GF about O. O

Point X is the center of Regular Hexagon ABCDEF. What is the measure of the angle of rotation that maps B onto E? What is the image of FE after a 300⁰ rotation about X? X

Find the angle of rotation about C that maps FGH to F’G’H’. Use a protractor to measure the angle

Find the coordinates of DEF after a 90⁰ clockwise rotation about the origin.