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.

$x^2+y^2=16$

$x^2+y^2=16$

Solution:
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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