Determine the group of symmetries of each of the following figures. (It suffices in each case to usemotions similar to those in Example 8.I.)15

Chapter 9 Section 3 SNOW DAY PRESENTATION 02/24/2016 Chapter 9 Section 3 Terminology: Space- is an undefined term (like point, line and plane) Dihedral angle- angle formed when 2 planes meet Parallel- if the line doesn’t intersect the plane Perpendicular- if the line if intersects and...