Large type B whales eat mainly seals, especially Weddell seals, and also hunt minke whales. Small type B killer whales have been observed hunting penguins and are believed to mainly eat fishes. Type C killer whales mostly eat Antarctic toothfish (Dissostichus mawsoni).
An oval has two lines of symmetry. A line of symmetry is defined as the line that a figure can be divided into half, with the end result of the two halves matching up exactly. Each side of the divided side looks like a mirror image. Comments.
Anisha, A general parallelogram has no lines of symmetry. Some special ones (rhombus, rectangle, square) have lines of symmetry. However, a parallelogram does have a crucial symmetry-the half-turn around the central point where they two diagonals intersect.