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Mathematics 8 Online
hunneyxo:

What is the radius of a circle whose equation is (x + 5)2 + (y – 3)2 = 4^2? 2 units 4 units 8 units 16 units

Kamauri:

do you know the first step

Vocaloid:

compare the equation of the circle to the general form (x-h)^2 + (y-k)^2 = r^2 to find r

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