Question

3.) if y-co-ordinate of a point is zero, then where
will this point lies in the co-ordinate planes
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Answer 1

Answer:

it will lie on the origin (0,0)

Answer 2

Answer:

If y-coordinate of a point is zero, then this point always lies on X-axis . Because perpendicular distance of the point from X-axis measured along Y-axis is zero.