Videos: Click on the title and then on the link to watch the videos

1. Planes of Symmetry:
   https://www.youtube.com/watch?v=lE3ORTCRwlA&t=175s

and https://www.youtube.com/watch?v=ivyxxMLZCvE

2. Faces, Edges and Vertices:
   https://www.youtube.com/watch?v=lEijwy3lrZ8

https://www.youtube.com/watch?v=eVDqk-39TZQ

3. Prisms or Pyramids?:
   https://www.youtube.com/watch?v=OTJ8xakBcZM

and https://www.scribd.com/presentation/440932769/Symmetry-of-3d-shapes