On an amusement park map the wooden rollercoaster is located at 0,4.The hot dog stand is located at 4,4 .And the log flume is located at 0,-2 
 A triangle is formed if you connect the three locations 
 Each unite on the coordinate plane represents 20 feet 
 There is a plan to put an arcade in the triangular area of the amusement park 
 What is the area of the new arcade