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30 January, 14:47

What is the standard equation of a circle?

(x + h) 2 + (y + k) 2 = r

(x - h) 2 + (y - k) 2 = r

(x - h) 2 + (y - k) 2 = r2

(x + h) 2 + (y + k) 2 = r2

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  1. 30 January, 15:04
    0
    Hello:

    the standard equation of a circle : (x - h) 2 + (y - k) 2 = r2

    ridus : r center A (h, k)
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