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In rectangle ABCD, shown here, CE is perpendicular to BD. If BC = 3 and DC = 8, what is CE?

 

 Jul 30, 2021
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The size of angle BDC is arctan (tan–1) of BC/DC.   

 

Once you get the value of angle BDC, use sine(BDC) = CE/DC and solve for CE.      

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 Jul 31, 2021

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