Dan cut ribbon into different leghts To wrap gifts. He made a line plot to display his data

The polygon tool to draw a rectangle with a length of 5 units and a height of 3 units. one of the sides of the rectangle falls on line ab , and the rectangle has a vertex of a. each segment on the grid represents 1 unit.

What is perpendicular to y=-1/2x+11

Ineed here’s a picture of the question