What is the area of the square with the following coordinates: (x, y), (20, 20), (20, 11), (x, 11)?	Choose one.
A) 49 B) 64 C) 75 D) 81 E) 96
To find the area of a square, knowing the length of one side is sufficient.   From the coordinates given, we can see that one side equals 9.   The area is 9*9= 
<gadget id="calculator">9*9</gadget>
<output>81</output>
81.   The answer is 81.
<result>D</result>
What is the area of the square with the following coordinates: (x, y), (20, 20), (20, 11), (x, 11)?