Question 815330
  <pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi,
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Find the area of the quadrilateral with vertices 
A(&#8722;1, 2), B(4, 6), C(10, 6), and D(5, 2).
 A = b*h = 6*4 = 24 units squared
{{{drawing(300,300,   -10,12,-10,10,  
 grid(1),
circle(-1, 2,0.4),
circle(4, 6,0.4),
circle(10, 6,0.4),
circle(5, 2,0.4),
red(line(4,6,4,2)),
blue(line(10,6,4,6)),
graph( 300, 300, -10,12,-10,10,0))}}}