MCQ
The equation circle whose center is (0, 0) and radius is 4 is:
- Ax2 + y2 = 4
- Bx2 + y2 = 16
- Cx2 + y2 = 2
- DNone.
Solution:
The equation of circle is x2 + y2 = r2
Here, the radius is 4 So the equation is x2 + y2 = 42
x2 + y2 = 16
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