Rotational Symmetry of 3-D Figures To show the dynamic figures properly, the evaluation version or the plugin of Cabri 3D (V2.0 or above) must be installed.

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Presentation transcript:

Rotational Symmetry of 3-D Figures To show the dynamic figures properly, the evaluation version or the plugin of Cabri 3D (V2.0 or above) must be installed. Start

Q1 Question 1 Hold down the right mouse button and drag to change the view angle. Drag the red points to adjust the position of the axis. Drag P to rotate the cube about the axis. Q2

Question 2 Hold down the right mouse button and drag to change the view angle. Drag the red points to adjust the position of the axis. Drag P to rotate the cube about the axis. Q3

Question 3 Hold down the right mouse button and drag to change the view angle. Drag the red points S and T to adjust the position of the axis. Drag P to rotate the regular tetrahedron about the axis. Q4

Question 4 Hold down the right mouse button and drag to change the view angle. Drag the red points S and T to adjust the position of the axis. Drag P to rotate the regular octahedron about the axis. Q5

Question 5 Hold down the right mouse button and drag to change the view angle. Drag the red points S and T to adjust the position of the axis. Drag P to rotate the regular dodecahedron about the axis. Q6

Question 6 Hold down the right mouse button and drag to change the view angle. Drag the red points S and T to adjust the position of the axis. Drag P to rotate the regular icosahedron about the axis. END