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.
Since there are an infinite number of lines through the center, the circle has an infinite number of lines of symmetry. 1  When the circle is folded over a line of symmetry, the parts of the circle on each side of the line match up.