# A circle has center at #(0,0)# and passes through #(-12,0)#, what is its circumference and area?

##### 2 Answers

Circumference is

#### Explanation:

As the circle has center at

distance between

i.e.

As radius is

Circumference is

and area is

#### Explanation:

#color(blue)((0,0)and(-12,0)#

The distance between these points is the radius of the circle

#color(brown)("Distance"=sqrt((x_2-x_1)^2+(y_2-y_1)^2)#

We know the radius, let's find the circumference

#color(brown)("Circumference"=2pir#

Now find the area

#color(brown)("Area"=pir^2#

Hope this helps...:)