Which of the following patterns have

a) an axis of symmetry?

Answer:

Pattern A has an axis of symmetry doesn't have an axis of symmetry

Pattern B has an axis of symmetry doesn't have an axis of symmetry

Pattern C has an axis of symmetry doesn't have an axis of symmetry

Pattern D has an axis of symmetry doesn't have an axis of symmetry

Pattern E has an axis of symmetry doesn't have an axis of symmetry

Pattern F has an axis of symmetry doesn't have an axis of symmetry

b) a center of symmetry?

Answer:

Pattern A has a center of symmetry doesn't have a center of symmetry

Pattern B has a center of symmetry doesn't have a center of symmetry

Pattern C has a center of symmetry doesn't have a center of symmetry

Pattern D has a center of symmetry doesn't have a center of symmetry

Pattern E has a center of symmetry doesn't have a center of symmetry

Pattern F has a center of symmetry doesn't have a center of symmetry