What is the area of the square with the following coordinates: (x, y), (20, 20), (20, 8), (x, 8)? Select the correct option.
A) 81 B) 144 C) 196 D) 225 E) 625
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 12.   The area is 12*12= 
<gadget id="calculator">12*12</gadget>
<output>144</output>
144.   The answer is 144.
<result>B</result>
What is the area of the square with the following coordinates: (x, y), (20, 20), (20, 8), (x, 8)?