Formal & Informal Geometry
Formal & Informal Geometry MATH 3305
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This 4 page Class Notes was uploaded by Alvena McDermott on Saturday September 19, 2015. The Class Notes belongs to MATH 3305 at University of Houston taught by Staff in Fall. Since its upload, it has received 39 views. For similar materials see /class/208419/math-3305-university-of-houston in Mathmatics at University of Houston.
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Date Created: 09/19/15
Translation Exercise Put an asymmetrical check mark on the sketch Label the points Translate 8 cm at 30 Label the pomts Now to get the lines of re ection Connect A and A Using the connecting segment and the initial point C construct a perpendicular segment this is the rst re ection line it could actually have been elsewhere it s just ef cient to use point C Double click on the re ection line and then single click on each point and segment of the initial set Re ect this Your re ected set is a interim set of points en route to the nal set Connect Interim A with nal A Find the midpoint of the connecting segment and build a perpendicular segment this is re ection line 2 Double click on re ection line 2 and then click on each point and segment of the interim image Re ect Pow the images from both methods are superimposed on each other Good job Rotation Exercise in Sketchpad Put a ag on the sketch and label the points Put a center of rotation on the sketch and label it center Double click on center and then single click on the ag points and segments rotate 120 Label the points oftHe image set Put a point somewhere in the sketch up to the left of center Connect center and the 7 77 point this is re ection line 1 Double click on the line and single click on the initial set s points and segments Re ect This is the interim image Connect the interim ag tip to the nal ag tip Put the midpoint of this connecting segment in Connect the midpoint and the center this is re ection line 2 Double click on the line single click on the interim set s points and segments and re ect Note that the re ected image is right on top of the rotated image This always works mADED39 12000quot A