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Math 9 Journal Entries
Learning Guide 12
Expectation 1: Demonstrate an understanding of line symmetry.
Define Line of Symmetry:
Draw a figure that has line symmetry. Draw the line of symmetry on the figure.
Expectation 2: Demonstrate an understanding of rotation symmetry.
Define the following terms:
Rotation Symmetry:
Order of Rotation:
Angle of Rotation:
Sketch an example of a figure that has rotation symmetry. Show the centre of rotation, the order of rotation and the angle of rotation.
Expectation #3: Determine the surface area of 3-D objects.
Explain how you would find the surface area of a 3-D object. Give an example to explain.