270 rotation formula
[DOC File]Chapter 9 Notes - Welcome to Mrs. Hop's Mathematics Class!
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135 degree rotation of A about O. 270 degree rotation of segment DE about O. 90 degree rotation of triangle AOB about O going clockwise. To Rotate: 9-4: Symmetry. ... Use the formula to find the measure of an angle for a regular polygon. If that number is a factor of 360, the figure will tessellate
[DOC File]Name__________________________________________
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A rotation is a transformation in which a figure is turned around a point called the point of rotation. Counterclockwise rotations are positive. Clockwise rotations are negative. Rotation Mapping Rules: 1.) Rotation of 90° and Rotation of -270° (x,y) (-y,x) and (x,y) (-y,x) (It’s the same rule for both rotations) 2.)
[DOC File]TI-92 Geometry Tour
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Label this triangle 180°. Repeat these steps for a 270°, 360°, and 450° rotation. Answer the questions below and make a sketch. With a 270° rotation, how much did the triangle turn? With a 360° rotation, how much did the triangle turn? With a 450° rotation, how much did the triangle turn? 4. What happens with a negative rotation?
[DOC File]Chapter 2
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Magnitude – angle of rotation (360° / order) Key Concept: Postulate 9.1 – In a given rotation, if A is the pre-image, A” is the image, and P is the center of rotation, then the measure of the angle of rotation (APA” is twice the measure of the acute or right angle formed by the intersecting lines of reflection.
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Rotation 90 degrees clockwise about point D followed by a translation to the right 2 and up 4. 10. Reflection across the x-axis followed by a reflection across the line y=x.
[DOC File]Rotations, Reflections, and Translations
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Rotation (in degrees) to 0°. Place the endpoints of at A(–1, 10) and B(8, –3). Predict the endpoints of the image for each angle of rotation listed in the table below. Click on Show table to check your answers. Angle of rotation 0° 90° 180° 270° 360° Point E. Image of A(–1, 10) Point F. Image of B(8, –3)
[DOC File]Richland Parish School Board
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Have students make a chart like the one below and rotate the pre-image 90°, 180°, 270°, and 360° using the origin as the center of rotation. They should record the new coordinates each time and then graph the new images. Original 90° 180° 270° 360° (a,b) (c,d) (e,f) (g,h) (x,y)
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