What is the area of the square with the following coordinates: (x, y), (20, 20), (20, 7), (x, 7)?  Answers.
A) 64 B) 121 C) 169 D) 225 E) 441
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 13.   The area is 13*13= 
<gadget id="calculator">13*13</gadget>
<output>169</output>
169.   The answer is 169.
<result>C</result>
What is the area of the square with the following coordinates: (x, y), (20, 20), (20, 7), (x, 7)?