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NEED HELP! Consider circle C with diameter DE.





Which is the equation of circle C?



A.


(x − 2)2 + (y + 1)2 = 185


B.


(x − 2)2 + (y + 1)2 = 370


C.


(x − 2)2 + (y + 1)2 = 740


D.


(x + 9)2 + (y − 7)2 = 185


E.


(x + 9)2 + (y − 7)2 = 740

Respuesta :

Step-by-step explanation:

The general form of an equation of a circle with center at (a, b) and radius r is given as:

(x - a)² + (y - b)² = r²

There is no images available to help decide which circle is the right choice... But with the knowledge of what a standard circle looks like, we can make the choice.

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