Question

Asked Feb 10, 2019

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Step 1

Formula used:

Equation of circle whose centre (h, k) and radius r is

(x - h)^{2} + (y - k)^{2} = r^{2}

Step 2

According to the given graph the centre is the mid point of (-8, 4) and (-2, 4) is

(h, k) = [(-8-2)/2, (4+4)/2]

(h, k) = (-5, 4)

And diameter is distance between ((-8, 4) and (2, 4) is

Step 3

a) So equation of circle whose centre is (-5 , 4) and radius 3 ...

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