The standard form of an equation of a circle with center at (h, k)
and radius r is .

(y − h)2 + (x − k)2 = r2

(x − h)2 − (y − k)2 = r2

(y + h)2 − (x + k)2 = r2

(x − h)2 + (y − k)2 = r2

(x + h)2 − (y + k)2 = r2

The standard form of an equation of a circle with center at (h, k) and radius r is

(x - h)² + (y - k)² = r²

4/6 = 2/3

so it should take 3/3 hours per man. so 9 hours is the answer 3*3 =9

step-by-step explanation:

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