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Area and perimeter on the coordinate plane


Rectangle ABCD is graphed in the coordinate plane. The following are the vertices of the rectangle: A(4,2), B(2,2), C(2,7), and D(4,7).
What is the area of rectangle ABCD?
  • Your answer should be
  • an integer, like 6
  • an exact decimal, like 0.75
  • a simplified proper fraction, like 3/5
  • a simplified improper fraction, like 7/4
  • a mixed number, like 1 3/4
square units