Question

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Answer 1

point on y-axis through which perpendicular line is drawn to point P(3,4) is Q(0,4).

consider the diagram if you have doubt how the point Q come.

so,

PQ= √(x1- x2)² + ( y1- y2)²

=√(3-0)² + (4-4)²

=√9

= 3

so the answer is 3

hope you understand the answer.

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