Solve problem 49 page 88 SBT math 10 – Kite>



Problem In the coordinate plane Oxy, for a circle (C): (x − 1)2 + (y + 2)2 = 4. The radius of (C) is equal to: A. 4 B. 16 C. 2 D 1 Solution method – View details Circle with PT \({(x – a)^2} + {(y – b)^2} = c\) […]



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