If angle DAC =30 degree,find the angles of triangle ABC in figure
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Answer :
50°
Step-by-step explanation:
Angle PBC = Angle QCB ( Alternate Interior Angle)
Therefore,
Angle PBC = 90° (Because Angle QCB = 90° )
As we know that ,
Angle PBC = Angle PBA + Angle ABC
Therefore ,
Angle PBC = 40° + Angle ABC
90° = 40° + Angle ABC
90° - 40° = Angle ABC
50° = Angle ABC
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