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find the equation of a circle whose diameter is 20 and whose center is at (-2,-6)​

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Answer:

ans. (x+2)²+(y+6)²=100

Step-by-step explanation:

(x-h)²+(y-k)²=r²

h=-2, k=-6 and r= 20/2 = 10

(x-(-2))²+(y-(-6))²=10²

(x+2)²+(y+6)²=100 - equation

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