AudriaBrucks73 AudriaBrucks73

25-08-2015
Mathematics

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

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RedSnow RedSnow

25-08-2015

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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