triangle PQR and triangle QRS have vertices P(-9,7) Q(4,7), R(4,-3), and S(10-3). what is the area in sq. units, of quadrilateral PQSR which is formed by the two triangles? Answer Is...
triangle PQR and triangle QRS have vertices P(-9,7) Q(4,7), R(4,-3), and S(10-3). what is the area in sq. units, of quadrilateral PQSR which is formed by the two triangles? Answer Is...