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Mathematics 10 Online
OpenStudy (waheguru):

I need to prove that A(-12, -5) B(12, 5) and C(-12, 5) Is a right triangle. I know two adjacent angles need to be perpendicular but the slopes are -10/0 and 0/-24 which are not negative reciprocals?

OpenStudy (anonymous):

|dw:1364140978728:dw| in right triangle , the circle point will have cordinates that is same as x of one and y of another

OpenStudy (anonymous):

|dw:1364141029806:dw|

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