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.
Line symmetry. The dotted line through the middle of the letter A is called a mirror line, because if you place a mirror along it, the shape looks exactly the same as the original. Another name for a mirror line is a line of symmetry. This kind of symmetry can also be called ' reflective symmetry '.