(Repost) The points (2, 1), (5, –2), and (–2, –3) describe the vertices of a triangle. Is the triangle a right triangle? Hint: p erpendicular.
2 answers:
Answer: It's a right triangle
Answer: It is a right triangle.
the attachment shows the graphed triangle.
Step-by-step explanation: The slope of the line between coordinates (-2,-3) and (2,1) is +1 rise/run is 4/4
The slope of the line between points (2,1) and (5,-2) is -1 rise/run -3/3
These slopes are perpendicular to each other, so they form the right angle of this triangle.
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