3 times the complement of an angle is 30 more than the supplement of the original angle.
so if the angle is x then its complement is 90-x & supplement is 180-x so 3(90-x)=(180-x)+30 or 270-3x=210-x
or 3x-x=270-210 or 2x=60 or x=30 the original angle
I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!