What is the radius of a circle whose equation is -10xt6y+18-0? O 2 units
O 4 units
O8 units
O 16 units

Radius, r = 4 units

Step-by-step explanation:

The equation of circle is given by :

We need to find the radius of the circle.

The general equation of a circle is given by :

....(1)

We can rearrange the above equation in terms of the given equation as follows :

On comparing the above equation with equation (1)

h = 5, k = -3 and r = 4

So, the radius of the circle is 4 units.

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