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A semi-circle covers an angle of 180 degrees.
No it is a semi circle. Something like a protractor
A semi-circle is a 180 degree half circle. A semi-circle does not have any corners. A circle does not have corners either. There are points of beginning and end in a semi-circle. In a circle the point of beginning is the same as the ending point.
A circle has 360 degrees around it.
A circle is 360 degrees. Half of a circle is 180 degrees and a quarter of a circle is 90 degrees.There are 360 degrees in a circle