SOLUTION: Use the concept of slope to determine whether the given figure is a right triangle (i.e., does the triangle contain a right angle?). (2,3) (2, -2) (-1,-3)

Question 901053: Use the concept of slope to determine whether the given figure is a right triangle (i.e., does the triangle contain a right angle?). (2,3) (2, -2) (-1,-3)
Found 2 solutions by ewatrrr, josgarithmetic:
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
(2,3)
(2, -2) m = 5/0 Vertical Line (NO Slope)
(-1,-3) m = 1/3
(2 ,3) m = -6/-3 = 3/1
NO right angle

Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
Find slopes of all pair of points.

first two points listed;

No two slopes are negative reciprocals of each other, so the points do not form a right triangle.
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