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The lines shown below are perpendicular

The lines shown below are perpendicular-example-1
User Old Greg
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Answer:

Slope of green line:


m = ( - 3 - 3)/(4 - ( - 4))) = - (6)/(8) = - (3)/(4)

Slope of red line:


m = (3 - ( - 5))/(3 - ( - 3)) = (8)/(6) = (4)/(3)

The slopes of these two lines are negative reciprocals of each other.

Therefore, the correct answer is True (A).

User Safi Nettah
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