The equation circle whose center is (0, 0) and radius is 4 is: - Vidyadip

MCQ

The equation circle whose center is $(0, 0)$ and radius is $4$ is:

A
$ x^2+y^2=4 $
✓
$ x^2+y^2=16 $
C
$ x^2+y^2=2 $
D
None.

✓

Answer

Correct option: B.

$ x^2+y^2=16 $

The equation of circle is $x^2+ y^2= r^2$
Here, the radius is 4 So the equation is $x^2+ y^2= 4^2$
$ x^2+y^2=16 $

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