The required slope of A is 1 or Ф = 45° and for B is infinte or Ф = 90°
use the m=y2-y1/x2-x1 to find the slope of the line that goes through each pair of points A.(5,7) and (-4,-2) B.(1,3) and (1,-10)
slope is define as the angle at which line is inclined and for draw tangent over a curve.
m=y2-y1/x2-x1
For, A (5, 7),(-4, -2)
m=-2-7/-4-5
m=1
or TanФ=1
Ф = 45°
For, B(1, 3), (1,-10)
m=-10-3/1-1
m= ∞ or Ф = 90°
Thus the required slope of A is 1 or Ф = 45° and for B is infinte or Ф = 90°
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