A circle is centered at the origin and contains the point (-4,-2). What is the length of the radius of the circle? 0 V6
0 20
20
O 12

0 20

Step-by-step explanation:

x2 + y2 = r2 , and this is the equation of a circle of radius r whose centre is the origin O(0, 0). The equation of a circle of radius r and centre the origin is x2 + y2 = r2 .

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