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anonymous
 4 years ago
Show that a line through (0, 0) and (c, d) is perpendicular to a line through (0, 0) and (d, c).
Slope of first line =
Slope of second line =
anonymous
 4 years ago
Show that a line through (0, 0) and (c, d) is perpendicular to a line through (0, 0) and (d, c). Slope of first line = Slope of second line =

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ash2326
 4 years ago
Best ResponseYou've already chosen the best response.0johny find the slope of both the lines , let them be m1 and m2 if \[m1*m2=1\] then the lines are perpendicular

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Two lines are perpendicular if the product of there slopes is 1

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0For the line through (0, 0) and (c, d) the slope is \( \frac {d}{c} \) and for the line through (0,0) and (d.c) the slope is \(\frac{c}{d} \) now if you take the product it will be 1 hence the two lines will be perpendicular.
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