two lines intersect at right angle then the product of their slope is
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Answer:
Slope of two perpendicular lines= -1
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slope of line × slope of line 2 = -1
Step-by-step explanation:
Perpendicular lines are lines that intersect at right angles. If you multiply the slopes of two perpendicular lines in the plane, you get −1 .
That is, the slopes of perpendicular lines are opposite reciprocals
let the slope of line 1 = m
slope of line 2 is n
if the line m and n are perpendicular to each other then
slope of line × slope of line 2 = -1
i.e
m×n = -1
hence , two lines intersect at right angle then the product of their slope is -1
#Learn more :
What is the slope of line intersects the line 2x -7y=1 at right angle
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