i The picture below shows a parallelogram-shaped bookshelf Aaron bought for his wall. He rotates the shelf 90° clockwise and then 180° counterclockwise to decide how to arrange it on the wall.

i The picture below shows a parallelogramshaped bookshelf Aaron bought for his wall He rotates the shelf 90 clockwise and then 180 counterclockwise to decide ho class=
Q&A Education