a line with an angle in it would technically be 2 lines
A circle has a sum of angles that add up to 360 degrees and it is not a straight line.
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Yes because angles on a straight line add up to 180 degrees
they form a straight line
they are called supplementary angles. a straight line has 180 degrees each side and two adjacent angles forming 180 degrees are called supplementary angles.
A straight line adds up to 180. Just like the angles of a triangle
Draw any straight line through the point. The sum of the angles at the point are the sums of the angles on each side of the line - which are known to be 180o. Thus: the sum of the angles at the point = the sum of the angles of each side of the line = 180o + 180o = 360o The sum of the a