To let u know if it is either equal to or not
<span>L=3W
12=3w*w
12=3w</span>²<span>
W</span>²<span>=12/3
W</span>²<span>=4
W=2
L=3*2=6
Check ~
12=6*2
12=12</span>
Parallel lines have same slope.
The slope would be y=3x
Perpendicular lines have opposite reciprocal for the slope.
The slope would be y=-4/3