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5 December, 22:59

In triangle abc angle a is a right angle and b equals 45 degrees. Side CA is 11. what is the length of BC?

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  1. 5 December, 23:04
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    Answer:15.56

    Step-by-step explanation:

    Using sine rule we get

    11 / (sin45) = BC / (sin90) sin45=0.7071 sin90=1

    11/0.7071=BC/1

    15.56=BC

    Therefore BC=15.56
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