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Anvisha [2.4K]
4 years ago
12

What is the radius of a circle whose equation ?????

Mathematics
1 answer:
KatRina [158]4 years ago
8 0
r =  \sqrt{ L^{2} + K^{2} -C} = \sqrt{ (-4)^{2} + (3)^{2} - 21 } =  \sqrt{4}  = 2

where L is negative half the coefficient of x and K is negative half the coefficient of y and c is the term free of x and y
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