Q. 74.3( 6 Votes )
Find the distance of the point (3, 5) from the line 2x + 3y = 14 measured parallel to a line having slope 1/2.
Answer :
Given: (x1,y1) = A(3, 5), tanθ
⇒ sin θ and cos θ
To find:
The distance of a point from the line parallel to another line.
Explanation:
Formula Used:
⇒
⇒ x – 2y + 7 = 0
Let x – 2y + 7 = 0 intersect the line 2x + 3y = 14 at point P.
Let AP = r
Then, the coordinate of P is given by
⇒ x and y
Thus, the coordinate of P is
Clearly, P lies on the line 2x + 3y = 14
⇒
⇒
⇒ r
Hence, the distance of the point (3, 5) from the line 2x + 3y = 14 is
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