The legs are perpendicular. The slope of the given leg is 2/3.
So, the slope of the other leg is -3/2.
You now have a point and a slope, so the equation of the other leg is
y-1 = -3/2 (x+4)
A right triangle has its right angle at (-4,1) and the equation of one of its legs is 2x-3y+11=0. Find the equation of the other leg
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