Copyright © University of Cambridge. All rights reserved.
Show how this pentagonal tile can be used to tile the plane and describe the transformations which map this pentagon to its images in the tiling. The lengths AE and ED are 1 unit and the length CD is 2 units. The angles B and E are right angles and the angles A, C and D are 120°.
Here is an interactive that may help you. Click on the grey shapes to create new tiles. You can rotate the pieces using the corner points.
You can then rotate, flip vertically or delete each tile.