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Let A = (10, -10) and O = (0, 0). Determine the sum of all x and y-coordinates of all points Q on the line y= - x + 6 such that angle OQA = 90 degrees.

 Dec 23, 2019
 #1
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The points (x,y) are (-1,7) and (3,3).

 Jan 3, 2020

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