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Rotate 90 Clockwise about the Origin (Same as 270 Counterclockwise) Change the sign of x and switch the order
Rotate 90° clockwise about the origin
Rotate 90 Counterclockwise about the Origin (Same as 270 Clockwise) Change the sign of y and switch the order
Rotate 90° counterclockwise about the origin
Rotate 180 about the Origin ONLY Change the signs
Rotate 180° about the origin
Any figure that can be turned or rotated less than 360° about a fixed point so that the figure looks exactly as it does in its original position. Rotational Symmetry
Ambigrams – Look the same right side up and upside down
Rotational Symmetry in the parking lot
Which figures have rotational symmetry? For those that do, describe the rotation that map the figure onto itself. Regular pentagon Isosceles triangle Rhombus
Classwork Rotations Practice Worksheet
Homework Rotations HW Worksheet
Warm up 1.A function is even. Point A(-3, 4) is on the even function. Name another point. 2.A function is even. Point B(9, 2) is on the even function.
Warm up What type of transformation is shown? Write the algebraic representation. Write the coordinates of the original triangle after reflection over.
Chapter 9.6 Notes: Identify Symmetry Goal: You will identify line and rotational symmetry of a figure.
W arm UP Translate (x – 9, y + 8) 1.B (-9, 12) 2.A (-12, -4) 3.T (22, -19) B’ (-18, 20) A’ (-21, 4) T’ (13, -11)
Warm Up Draw an example of a reflection: Draw an example of a figure that has one or more lines of symmetry: Find the new coordinates of the image after.
Symmetry and Order of Rotation Aim: To recognise symmetry and rotational symmetry. Look at the letter A, it has one line of symmetry. A Does the letter.
No rotational Symmetry Order 4 Order 3 Order 2 Order 5 Order 6 Order 3 Order 5.
7.3 Rotations Advanced Geometry. ROTATIONS A rotation is a transformation in which a figure is turned about a fixed point. The fixed point is the center.
Describing Rotations. Rotational Symmetry in Nature.
9.10 Rotations 9.10 Rotations United Streaming Video Dynamic Worksheets.
Chapter 9 Congruence, Symmetry and Similarity Section 9.4 Symmetry.
Symmetry and Dilations December 9, Objectives Understand and apply different types of symmetry, verbally and in writing Understand dilation.
Do Now:. Rotation: a transformation that turns a figure about a fixed point called the center of rotation. An object and its rotation are the same shape.
Rotations Goal Identify rotations and rotational symmetry.
9.6 Symmetry We are going to complete the tessellation first so get out your triangles.
1 Rotations and Symmetry 13.6 LESSON Family Crests A family crest is a design that symbolizes a family’s heritage. An example of a family crest for a Japanese.
Honors Geometry Transformations Section 2 Rotations.
Rotation Around a Point. A Rotation is… A rotation is a transformation that turns a figure around a fixed point called the center of rotation. A rotation.
ROTATIONAL SYMMETRY Highlights of Presentaton: Order of rotational symmetry Centre of rotational symmetry Angle of rotational symmetry Examples of shapes.
Roational Symmetrey © 2007 All rights reserved
Module 6 Mid-Chapter Test Review. Describe the Transformation from the Given Pre-Image to the Given Image 1. Pre-Image: Shape 1 Image: Shape 4 1. Answer:
Using Rotations A rotation is a transformation in which a figure is turned about a fixed point. The fixed point is the center of rotation. Rays drawn from.
Rotations Advanced Geometry Rigid Transformations Lesson 3.
ROTATIONS EQ: How do you rotate a figure 90, 180 or 270 degrees around a given point and what is point symmetry?
Edexcel GCSE Maths Spec B – Modular: Booster C © Pearson Education This document may have been altered from the original. To show the solutions to.
Reflectional Symmetry The image is exactly the same on both sides… therefore it is reflected across the line of symmetry. WARM UP: Draw lines of Symmetry.
9.6 Warm Up Warm Up Lesson Quiz Lesson Quiz Lesson Presentation Lesson Presentation Identify Symmetry.
Rotational Symmetry All 2 dimensional shapes have some rotational symmetry. The degree of rotational symmetry that an object has is known as its order.
Rotations and Rotational Symmetry We are learning to…rotate a figure, describe a rotation, and identify rotational symmetries. Wednesday, December 02,
2.3 – Perform Rotations. Rotation: Transformation that turns a figure about a fixed point Center of Rotation: The point that the rotation happens around.
Line of Symmetry- a line on which a figure can be folded so that both sides match exactly.
11.5 Rotations. Rotations Rotate a Figure 90 about the origin.
Rotations on the Coordinate Plane. Horizontal- left and right.
Objective: Review. Warm up 1.A pole has wires attached to it, one on each side, forming two right triangles. a.How tall is the pole? b.How far from the.
Review from Friday The composition of two reflections over parallel lines can be described by a translation vector that is: Perpendicular to the two lines.
Rotation – A circular movement around a fixed point Rotation.
12.6 Rotations and Symmetry Rotation- a transformation in which a figure is turned around a point Center of rotation- the point the figure is rotated around.
Rotations California Standards for Geometry 16: Perform basic constructions 17: Prove theorems using coordinate geometry 22: Know the effect of rigid motions.
Rotations Ch 9-3 Lesson 3 MI/Vocab rotation center of rotation angle of rotation rotational symmetry invariant points direct isometry indirect isometry.
Warm up 1.Write the rule for translating left 4 units and up 6 units. 2.Write the rule for reflecting over the x-axis. 3.Write the rule for reflecting.
Section 7.3 Rigid Motion in a Plane Rotation. Bell Work 1.Using your notes, Reflect the figure in the y-axis. 2. Write all the coordinates for both the.
ROTATIONS Review Mrs. Erickson Rotations Like the steering wheel of a car Fixed point in the center, everything else turns You get the same picture,
Warm Up 1. What is the translation rule? 2. What is the image after reflecting (2, 3) over the line y = x? 3. Identify the transformation of ABCD to OPQR.
Chapter transformations on the coordinate plane.
Transformations To move a figure in the coordinate system to another location or image, by a rule.
1.Fill in the blanks with always, sometimes, or never. a)A rotation is _____ an isometry. b)An isometry is _____ a reflection. c)An isometry is _____ a.
Rotations Section Goal Identify rotations and rotational symmetry.
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