What is the equation of the circle shown below?

A.

(x - 4) 2 + (y + 5) 2 = 34

B.

(x - 5) 2 + (y - 4) 2 = 5.83

C.

(x + 4) 2 + (y - 5) 2 = 34

D.

(x - 5) 2 + (y + 4) 2 = 5.83

How do I derive the area of a trapezoid?

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