Question 86
Slope of the side DA of the rectangle ABCD is -3/4. What is the slope of the side AB?
Solution
Side DA and AB in the rectangle ABCD are perpendicular to each other, and product of slopes of two perpendicular lines is -1
Let slope of AB = $$m$$ and slope of DA = -3/4
=> $$m \times \frac{-3}{4}=-1$$
=> $$m = \frac{4}{3}$$
=> Ans - (D)
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