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30 July, 21:06

If angle adc=134 and adb=5x+4 and bdc=7x-2 what does angle bdc measure

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  1. 30 July, 21:36
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    The Two angles add to 90 degrees.

    3x-10+x+8=90

    4x-2=90

    4x=92

    x=23 degrees. substitute it into the angles

    the first angle is 59 degrees

    the second angle is 31 degrees.
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