symmetry,rotation and reflection

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Across
  1. 2. has its image ,when reflected in x-axis
  2. 4. when an object is seen in a mirror ,its image obtained on the other side of the mirror
  3. 5. has two lines of symmetry
  4. 6. is symmetrical about the perpendicular bisector PQ of the diameter AB
  5. 7. has four lines of symmetry-the bisectors of its three interior angles
Down
  1. 1. symmetry one line symmetry
  2. 3. symmetry if the figure fits onto itself more than once while being rotated through 360
  3. 4. has two lines of symmetry-its two diagonals