1. Find the area of the Convex Quadrilateral with vertices (1,5), (2,3), (7,6), (7,1)
2) A line goes through (2,3),and (-8,-2). The line has an X intercept of P and a y intercept of Q. Let the origin be O. Find the area of Triangle OPQ.
3) In the diagram below, find AC.
Thanks!
