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A 3 by 4 rectangle is inscribed in circle. What is the circumference of the circle?

A.2.5π
B.
C.
D.
Answer and Feedback
Answer:D
Feedback:Draw the diagram. The diagonal of the rectangle is the diameter of the circle. The diagonal is the hypotenuse of a 3,4,5 triangle and is therefore, 5.
Circumference = π.diameter = 5π

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