GAUSS7 2017 Problem 24

Past Contests GAUSS7 GAUSS (GR. 7) - 2017
, ,
1

Four vertices of a quadrilateral are located at (7,6),(-5,1),(-2,-3), and (10,2). The area of the quadrilateral in square units is

Answer Choices
A. 60
B. 63
C. 67
D. 70
E. 72