Name _____________________________ Date ___________________
Coordinate Geometry
Find the area.

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