◆ Straight Lines ◆
Hey !!
Slope of Line = tanQ
Where ,
Q is the angle in the anticlockwise direction of positive X-axis
Here , Q = 135°
Therefore , tanQ = tan 135°
Now ,
tan 135° = tan (180-45)° = -tan 45°
-tan 45° = -1
Hence , Slope of line = -1 Ans.
Hope it helps you :)
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