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31-08-2015
Mathematics

contestada

Find the equation of a circle whose center is (-2, -5) and radius is 4

Respuesta :

31-08-2015

The standard equation for any circle with
its center at (a,b) and a radius of 'r' is . . .

(x - a)² + (y - b)² = r²

For the circle in the question . . .

(x + 2)² + (y + 5)² = 16.

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