Respuesta :

Well when 2 lines intersect, there are 4 angles. The opposite angles are the same degrees. Since one angle is 30 degrees, the opposite angle is 30. So 30+30 is 60. Now all the 4 angles added up should be 360 degrees. So 360-60 is 300. Now 300 divided by 2 is 150 so the other 2 angles are 150 degrees.
apologiabiology
easey peasy
oposite angle is equal
other angles are supplementary (supplementary means add to 180, and a straight line=180 so if you look at 2 lines intersecting and think for a little bit, you wiill see why)

oposite angle=30
other angle is adds to 180
30+other=180
subtract 30
other=150
other is oposite other other
other=other other
150=other other

angles are
150,30,150

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