SOLUTION: If A(-1, 1) and B(3, 1) are the endpoints of one side of square ABCD, what is the area of the square?

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Question 418665: If A(-1, 1) and B(3, 1) are the endpoints of one side of square ABCD, what is the area of the square?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi

D = sqrt+%28%28x1-x2%29%5E2%2B%28y1-y2%29%5E2%29%29

A(-1, 1) and 

B( 3, 1)  d = sqrt%28%28-4%29%5E2+%2B+0%5E2%29 = sqrt(16) = 4 units, the length of side s

 Area(square) = s*s = 4 * 4 = 16 units squared