Rotational Symmetry and Lines of Symmetry
Task 1
Do you agree with Carlos? Why or why not?
Task 2: Drag the slider to change the angle of rotation.
Task 3
Select the triangle in task 2. Move the slider to adjust the angle of rotation. At what angles does it have rotational symmetry?
Task 4
Select the rectangle in task 2. Move the slider to adjust the angle of rotation. At what angles does it have rotational symmetry?
Task 5
Select the pentagon in task 2. Move the slider to adjust the angle of rotation. At what angles does it have rotational symmetry?
Task 6
Is there anything you notice about the angles of rotational symmetry in relation to the regular polygons in task 2?
Task 7: Slide the black dot on the left to change the figure. For each figure, enter the number of lines of symmetry in the yellow box.
Exit Ticket
What is the relationship between a reflection and a rotation?