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ABCD is a trapezoid with bases AB and DC. We know that angle C equals 60 and angle D=45. If AB=5-2sqrt3 and BC=8, what is DC?

 May 23, 2021
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ABCD is a trapezoid with bases AB and DC. We know that angle C equals 60 and angle D=45. If AB=5-2sqrt3 and BC=8, what is DC?

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DC = 8(sin60º) + AB + 8(cos60º)

 May 23, 2021

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