500
A guitar headstock is in the shape of a quadrilateral with vertices A(-2,1), B(3,-3), C(5,7) and D(-3,4). Two paths represented by AC and BD cut across the garden. Are the paths perpendicular?
Slope of AC=1-7/-2-3 or b/7 slope of BD= -3-4/3-c or 7/6. the Paths are perpendicular