Name _____________________________ Date ___________________
Coordinate Geometry
Find the area.

 1 Find the area of the quadrilateral whose vertices are(10, 1), (6, 7), (7, -5), and (3, 4)
 2 Find the area of the quadrilateral whose vertices are(19, 6), (13, 12), (7, 7), and (9, -1)
 3 Find the area of the quadrilateral whose vertices are(1, -1), (-4, -4), (-2, -13), and (6, -7)
 4 Find the area of the quadrilateral whose vertices are(-2, 4), (0, -5), (4, 4), and (1, 9)
 5 Find the area of the quadrilateral whose vertices are(0, -2), (2, -11), (10, -5), and (5, 1)
 6 Find the area of the quadrilateral whose vertices are(-6, -13), (3, -8), (-3, -2), and (-8, -7)
 7 Find the area of the quadrilateral whose vertices are(6, 8), (10, 3), (5, -4), and (2, 4)
 8 Find the area of the quadrilateral whose vertices are(0, -4), (5, -1), (9, -7), and (4, -11)
 9 Find the area of the quadrilateral whose vertices are(1, 1), (3, 11), (8, 4), and (-1, 8)
 10 Find the area of the quadrilateral whose vertices are(2, -11), (8, -5), (5, 2), and (0, -3)
 11 Find the area of the quadrilateral whose vertices are(9, -1), (6, 5), (12, 9), and (18, 3)
 12 Find the area of the quadrilateral whose vertices are(7, -4), (10, -12), (13, 0), and (19, -4)
 13 Find the area of the quadrilateral whose vertices are(11, 5), (6, 11), (3, -3), and (1, 6)
 14 Find the area of the quadrilateral whose vertices are(5, -4), (10, -9), (2, -7), and (6, -14)
 15 Find the area of the quadrilateral whose vertices are(0, 7), (-4, 0), (-6, 7), and (-3, 12)
 16 Find the area of the quadrilateral whose vertices are(9, -14), (9, -1), (14, -7), and (5, -7)
 17 Find the area of the quadrilateral whose vertices are(12, -6), (8, -1), (4, -12), and (2, -4)
 18 Find the area of the quadrilateral whose vertices are(12, 12), (15, 6), (9, 8), and (12, 1)