Determine if triangle RST with coordinates R (3, 4), S (5, 5), and T (6, 1) is a right triangle. Use evidence to support your claim. If it is not a right triangle, what changes can be made to make it a right triangle? Be specific.

Question

triciaal · Answer

plot the points 
-----check the slopes if 2 lines have the product of the slopes = -1 then the lines are perpendicular and the angle of intersection is 90 degrees
-----check the lengths. if the square of the longest side is the sum of the squares of each of the other 2 legs then the angle formed by the 2 shorter sides (legs)  is a right angle. 90 degrees 
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