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are these lines perpendicular explain

Are These Lines Perpendicular Explain class=

Sagot :

yes, they cross each other and make an angle of 90° or right angle.

Answer:

Yes because the slopes are negative reciprocals of each other.

Step-by-step explanation:

The slope of line B is: 1/3

(-2, -4) and (1, -3)

(-3+4)/(1+2) = 1/3

The slope of line A is: 3

(-3, 0) and (-2, -3)

(-3-0)/(-2+3) = -3

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