Distance between origin to the point (5,12) is

Distance between origin and the point (x,4) is 5 unit . Find the value of x.

Distance between origin and the point (-4,x) is 5 unit . Find the value of x.

The distance between origin and a point ( 0,4) is :

Find the distance between origin and the point (a, -b).

Find the distance between origin and the point (a, -b).

Find the distance between the origin and the point (12,-6)

Prove that the distance between the origin and the point (-6, -8) is twice the distance between the points (4, 0) and (0, 3).

Prove that the distance between the origin and the point (-6, -8) is twice the distance between the points (4, 0) and (0, 3).

The points in the rectangular coordinate plane are transformed in such a way that each point A(x,y) is moved to a point A'(kx,ky) . If the distance between a point A and the origin is d, then the distance between the origin and thhe point A' is