Calculate the measure of each lettered angle in the following figure (parallel lines,segment or rays are denoted by thick matching rows)

Calculate the measure of each lettered angle in the following figure (

1.	Calculate the measure of each lettered angle in the following figure (parallel lines,segment or rays are denoted by thick matching rows)
Answer» <html><body><p>Here,c=72°[<a href="https://interviewquestions.tuteehub.com/tag/alternate-373425" style="font-weight:bold;" target="_blank" title="Click to know more about ALTERNATE">ALTERNATE</a> interior <a href="https://interviewquestions.tuteehub.com/tag/angles-378243" style="font-weight:bold;" target="_blank" title="Click to know more about ANGLES">ANGLES</a> are equal]→b+c+55°=180(<a href="https://interviewquestions.tuteehub.com/tag/linear-1074458" style="font-weight:bold;" target="_blank" title="Click to know more about LINEAR">LINEAR</a> pair is equal to 180)→b+72+55=180→b+127=180→b=53°→a+b+c=180(sum angle <a href="https://interviewquestions.tuteehub.com/tag/property-1170155" style="font-weight:bold;" target="_blank" title="Click to know more about PROPERTY">PROPERTY</a> is 180)→a+53+72=180→a+125=180→a=55°</p></body></html>