if the point (x,4) lies on a circle whose centre is at origin and the radius is 5 then x - Maths - Coordinate Geometry

Question

if the point (x,4) lies on a circle whose centre is at origin and
the radius is 5 then x is equal to

Varun.Rawat · Accepted Answer

Let O0,0 be the centre of the circle and Ax,4 be any point on the circle
Now, OA = radius⇒OA = 5⇒x-02 + 4-02 = 5⇒x2+4 = 5⇒x2+4 = 25⇒x2 = 21⇒x = ±21

if the point (x,4) lies on a circle whose centre is at origin and the radius is 5 then x is equal to