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In quadrilateral  ABCD, A = 75, B = 90, C = 120, AB = BC = 3*sqrt(2). Find CD.

 May 13, 2021
 #1
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CD = 2 + 3*sqrt(6).

 May 13, 2021
 #2
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In quadrilateral  ABCD, A = 75, B = 90, C = 120, AB = BC = 3*sqrt(2). Find CD.

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Angle D = 75º

AC = AD = sqrt(AB2 + BC2) = 6

CD = 12(cos75º)

 May 13, 2021

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