In the rectangular coordinate system, what is the area of triangle CDE with points
C=(5,8)
D=(4,2)
E=(8,0)
Choose one: A) 13 B) 12 C) 12.8 D) 14 E) 20
Use the formula of the distance formula   square root (x2-x1)^2+(y2-y1)^2   Do this for each of the sides and then the value is given as 13.
<result>A</result>
In the rectangular coordinate system, what is the area of triangle CDE with points
C=(5,8)
D=(4,2)
E=(8,0)