A sporting goods store manager was selling a kayak set for a certain price. The manager offered the markdowns on the right

Describe what moves you could use to create the transformation of the original image shown at right

Need on this geometry question. explain how you did it.

Me, prove a quadrilateral with vertices g(1,-1), h(5,1), i(4,3) and j(0,1) is a rectangle using the parallelogram method and a rectangle method.