I need help with Problem #2 a and b?

2. a. Try mental manipulation to tell which single type of rigid motion transforms shape A to each of the other shapes. It may help to draw a face or some mark on shape A. You may wish to check by tracing a copy of shape A and moving it to another shape. b. Which of the shapes in part (a) are congruent? Explain. 2. a. Try mental manipulation to tell which single type of rigid motion transforms shape A to each of the other shapes. It may help to draw a face or some mark on shape A. You may wish to check by tracing a copy of shape A and moving it to another shape. b. Which of the shapes in part (a) are congruent? Explain