Answer: 24
Explanation:
First, you need to find the slope length a single side of the square.
d=√((x2 – x1)² + (y2 – y1)²)
d=√((6 – 1)² + (1 – 2)²)
d=√(5² -1²)
=√(25 -1)
=√(24)
=√(24)
=4.8989794855663561963945681494118
Secondly, you need to use the area formula. side * side
4.8989794855663561963945681494118*4.8989794855663561963945681494118= 24
So, your answer is 24.
Hope this helps! :)