# How do you find the equation of a circle center is at #(-2, 3)# and that is tangent to the line #20x - 21y - 42 = 0#?

##### 1 Answer

Mar 31, 2017

or,

#### Explanation:

Let us name the **Centre** **Radius** **Tgt. Line**

From **Geometry,** we know that, the

Recall that the

is

Hence follows the Eqn. of the Circle,

**Enjoy Maths.!**