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Mathematics, 20.10.2019 10:10 Senotora

In the acd triangle picture above, if cbd = 45°, cad = 30°, ab = 20, then bc =


In the acd triangle picture above, if cbd = 45°, cad = 30°, ab = 20, then bc =

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In the acd triangle picture above, if cbd = 45°, cad = 30°, ab = 20, then bc =
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