Determine the number of lines of symmetry and the number of rotation symmetries for each figure. a. A regular heptagon has line(s) of symmetry and rotation symmetries. b. A parallelogram has line(s) of symmetry and c. A right triangle with 45° angle has line(s) of symmetry and line(s) of symmetry and d. A rectangle has rotation symmetries. rotation symmetries. rotation symmetries.