Find the perpendicular distance of the point (1,2) from the line 3x+4y-13=0
Answers
Answer:
As you mention, points (-3,-4) to the line
3x-4y-1=0,
• let x=-3 and y=-4
• So comparing the line with equation
• Ax+By+C=0
• A=3, B=-4 and C=-1
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The perpendicular distance between the line 3x+4y-13 and the point (1,2) is 2/5 units.
Given,
A line, 3x+4y-13 = 0
A Point, P (1,2)
To find,
The perpendicular distance of point P from the given line.
Solution,
We can easily solve this question by using the formula for distance from a line to a point.
When we put the equation in the given to the form,
Ax + By + C = 0, we get
A = 3, B = 4 and C = -13
The formula for the distance 'd' between a line and a point is,
d =
where () are the coordinate of the given point.
so, we get
d = |3×1 + 4×2 -13|/
⇒ d = 2/5 units
∴ The perpendicular distance between the given line and point is 2/5 units.
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