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.
1 polygon A polygon is a 2-dimensional closed shape with straight sides, eg triangle, hexagon, etc. 2  symmetry Symmetry occurs when half a 2D shape can be reflected in the mirror line (known as the line of symmetry) to form the whole shape. 3  two-dimensional Having only two dimensions, usually length (or height) and width.