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Quadrilateral \(ABCD\) is inscribed in a circle with segment \(AC\) a diameter of the circle. If \(m\angle DAC = 30^\circ\) and \(m\angle BAC = 45^\circ\), the ratio of the area of \(ABCD\) to the area of the circle can be expressed as a common fraction in simplest radical form in terms of \(\pi\) as \(\frac{a+\sqrt{b}}{c\pi}\), where \(a, b, \)  and \(c\) are positive integers. What is the value of \(a+b+c\)?

 Aug 6, 2020
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a + b + c = 2 + 11 + 8 = 21.

 Aug 14, 2020

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